Spain

Spain, officially the Kingdom of Spain, is a transcontinental country in southwestern Europe and northern Africa that occupies most of the Iberian Peninsula. Its territory also includes the Balearic and Canary Islands and the North African cities of Ceuta and Melilla. With roughly 50 million inhabitants by official register counts, it is one of the largest and most populous states in Western Europe, a constitutional monarchy, and a member of the European Union and the United Nations. Its landscape is marked by a high central plateau, mountain ranges such as the Pyrenees, and a strong contrast between the wet Atlantic north and the dry, hot south-east, which together shape its climate, agriculture, and settlement patterns.

Spain's importance lies in the depth of its history and its influence on the wider world. Its lands were shaped by Iberian, Phoenician, Greek, and Carthaginian presences before becoming part of the Roman Empire. Centuries of Islamic rule in Al-Andalus, the Christian Reconquista, and the union of the crowns of Castile and Aragon set the stage for a global empire in the early modern period, whose language, religion, and institutions spread across the Americas and the Pacific. The country's modern history includes a short-lived republic, a civil war, a long authoritarian regime, and a transition to parliamentary democracy in the late 1970s. Today it is a high-income economy with a large services sector, a major tourism industry, and a diverse, multilingual society.

This entry covers Spain's physical geography and climate, its environment and natural resources, and its population and languages. It then traces the country's history from antiquity through the medieval and imperial periods to the modern state. It finishes with government, economy, society, culture, foreign relations, and the debates and open questions that shape Spain today.

Territory, borders, and administrative divisions

Spain occupies about 84.6% of the Iberian Peninsula, and the rest of the peninsula is shared with Portugal, which lies along the western frontier. The land border with Portugal is about 1,214 km long, while the frontier with France measures about 623 km and the boundary with Andorra is roughly 64 km. The peninsular frontier with Gibraltar, a British Overseas Territory at the southern tip, is only about 1.2 km long. Spain's territory also includes a small exclave inside France called Llívia.

Ceuta and Melilla, the two Spanish cities on the North African coast, meet Moroccan territory along land borders of about 6.3 km and 9.6 km respectively. Their status is a long-standing point of friction with Morocco, which maintains a claim over both cities, although Spain administers them as integral parts of its territory.

Including its island territories, Spain covers a total area of 505,370 km2 (195,124 sq mi), of which 499,542 km2 (192,874 sq mi) is land. Its mainland and island coastline totals 5,755 km (3,576 mi). Spain's maritime zone is considerably larger than its land area: its exclusive economic zone covers 1,039,233 km2 (401,250 sq mi), making it the 30th largest in the world, and this is approximately double the entire Spanish land area. Among the member states of the European Union, Spain is the second largest by land area, after France.

The two archipelagos lie far from the peninsula and differ in position. The Balearic Islands sit in the western Mediterranean, while the Canary Islands lie in the Atlantic, with the Canary Islands located about 100 kilometres (60 mi) off the northwest coast of Africa. The island chain itself is spread out: it extends for 500 km across the eastern Atlantic, between latitudes 27° N and 30° N. The distance to the mainland exceeds 1,000 km; for example, Lanzarote lies 125 kilometres (80 miles) off the north coast of Africa and 1,000 kilometres (600 miles) from the Iberian Peninsula. Politically the Canaries belong to Spain and the EU, as an outermost region.

Spain is divided into seventeen autonomous communities and two autonomous cities. This devolution process followed the transition to democracy and created 17 autonomous communities and 2 autonomous cities, each having its own Statute of Autonomy. The first statutes, for the Basque Country and Catalonia, were approved in 1979, and the statutes for the remaining autonomous communities were approved between 1982 and 1983. A statute of autonomy is the basic institutional, quasi-constitutional law of an autonomous community or autonomous city. These statutes set out the institutional framework of each region and the powers it holds in relation to the central state.

The units differ greatly in size. Among the autonomous communities, the Balearic Islands are the smallest at 4,992 km2, while Castile and León is the largest at 94,223 km2. The two autonomous cities are far smaller, with Melilla and Ceuta covering 12.3 km2 and 18.5 km2 respectively. Their status also differs from that of the regions: the autonomous cities of Ceuta and Melilla have assemblies without their own legislative capacity. Their statutes were approved in 1995, after they had been promulgated under the framework of the 1978 Constitution, and Melilla had previously been a municipality belonging to the province of Málaga before it became an autonomous city.

Relief and geology

The relief of peninsular Spain is organised around the Meseta Central, a large interior tableland that occupies much of the centre of the Iberian Peninsula. Sources give slightly different figures for its height: one places the plateau between 610 and 760 metres, and another gives an average of about 660 metres. Its northern and southern halves also differ, with the northern sub-unit mostly between 700 and 800 metres and the southern sub-unit mostly between 600 and 700 metres. The plateau is cut by the Sistema Central, a range that divides it into two parts and reaches 2,592 metres at Pico Almanzor. Its western slope falls gently toward the Atlantic, and the Duero, Tagus and Guadiana drain its basins. The Montes de Toledo and the Sierra de Guadalupe further subdivide the southern part, and the Tagus separates these ranges from the northern massifs.

The plateau is bounded by a ring of mountain systems. The Cantabrian Range lies to the north, the Iberian System to the east, and the Sierra Morena to the south, and these ranges are structurally linked to the Meseta. Outside this ring, two lowland depressions stand out. The Guadalquivir depression lies in the south-west, and the Ebro depression in the north-east. The Pyrenees form the highest chain along the north-eastern frontier with France and Andorra. Their formation is tied to the collision of the Iberian and Eurasian plates between the Late Cretaceous and the Miocene, which shortened and uplifted the crust along the boundary.

The highest terrain in the south and south-east belongs to the Betic System, also called the Baetic Cordillera, which is the most prominent range outside the Meseta. Within it, the Sierra Nevada in Andalusia holds Mulhacén, at 3,479 metres the highest point on the Spanish mainland and on the Iberian Peninsula as a whole. The range is built largely from metamorphic complexes, including the Nevado-Filábride and Alpujárride units, whose rocks underwent high-pressure, low-temperature metamorphism during the Alpine orogeny. Its high summits, which remain snow-covered in winter, make the range one of the southernmost ski areas in Europe. Spain's overall highest point is not on the mainland, but the Teide volcano on Tenerife in the Canary Islands.

The peninsula's geology has two main layers. The older basement consists of Palaeozoic rocks that were deformed and eroded long before the modern landscape formed, and it underlies the Meseta and its surrounding massifs. The modern mountains were produced by the Alpine orogeny. Its later phases involved the Tethys Ocean closing between Africa and Eurasia, with Iberia caught between them. Intraplate ranges such as the Central System and the Iberian Range were also uplifted by deformation that began in the latest Cretaceous. In the south, the Betic Cordillera and the Rif Mountains of Morocco form the Gibraltar Arc, which encloses the Alborán basin. The Betic chain is traditionally divided into External Zones, composed of Mesozoic and Tertiary sediments deposited on the Iberian margin, and Internal Zones, made of older rocks that were transported westward and collided with Iberia around the end of the Middle Miocene. Convergence between Africa and Eurasia continues today, at a rate of roughly 5 millimetres per year in the Betic region.

The Canary Islands differ in origin. They are volcanic and were built by magma rising through the Atlantic seafloor rather than by continental collision. Volcanic activity, including eruptions such as the 2021 eruption on La Palma, is therefore a principal natural hazard in the archipelago, alongside the seismic and landslide risks linked to volcanic edifices.

Rivers, coasts, and islands

Major rivers

Most of the peninsula's large rivers rise in the interior or on its mountain rims, cross the central plateau, and reach the sea in Portugal or on the Mediterranean. The Tagus is the longest river on the peninsula, at about 1,007 km, and its first 816 km lie in Spain. It rises in the eastern mountains and flows mostly westward past Aranjuez and Toledo before reaching the Atlantic at Lisbon. The Douro rises in the Sierra de Urbión in Soria, runs west along part of the Spain–Portugal border, and enters the Atlantic near Porto. The Ebro is the longest river wholly within Spain. It rises in Cantabria and flows eastward through Zaragoza to a delta in southern Catalonia, and it carries the largest volume of water of any Spanish river. The Guadiana forms part of the Portuguese frontier in its lower course, and in the La Mancha plain it famously disappears underground and re-emerges in springs known as its "eyes".

Four of the major rivers (the Duero, Tagus, Guadiana and Guadalquivir) drain to the Atlantic, while the Ebro is the principal river draining to the Mediterranean. This division follows the peninsula's mountain systems, and it shaped where settlement and irrigated farming developed. Toledo and Aranjuez stand on the Tagus, Zaragoza on the Ebro, and Mérida and Badajoz on the Guadiana. Most major rivers have been dammed, and the reservoirs supply irrigation, drinking water and hydroelectricity. Many smaller watercourses, by contrast, are dry for much of the year, and their flows can turn torrential after heavy rain.

Coastline

Spain's coastline is long and varied, but sources differ on its exact length: estimates range from about 4,964 km to 5,755 km. Of the total, roughly 1,670 km face the Mediterranean and about 2,234 km face the Atlantic and the Bay of Biscay. The northern coast runs for about 724 km from the French border to the north-western corner of the country, where the Cantabrian Mountains rise close to the shore. Further west, Galicia's coast is deeply indented, with estuaries such as those of Betanzos and Arosa. The Mediterranean coast in the east and south is generally more open and includes long sandy beaches. Spain's position also gives it two different marine environments: the Atlantic lies to the west and north, and the Mediterranean is connected to the ocean only through the narrow Strait of Gibraltar, which allows exchange between waters of different salinity and temperature.

Spain has comparatively few natural harbours, a feature that has shaped the development of its maritime trade and the location of its major ports, many of which were built where estuaries or sheltered bays allowed.

Islands

The Balearic Islands lie in the western Mediterranean, off the coasts of Catalonia and Valencia. The archipelago covers roughly 5,000 km², and its largest island, Mallorca, covers about 3,620 km². Four islands are continuously inhabited: Mallorca, Menorca, Ibiza and Formentera. The islands sit on a raised undersea platform formed by uplift and are cut by northwest–southeast faults. The province of the Balearic Islands has the longest coastline of any Spanish province, at 1,428 km.

The Canary Islands lie in the Atlantic. They are of volcanic origin and consist of seven main islands. Their nearest point is about 100 km from the coast of Morocco and Western Sahara, while they are more than 1,300 km from the peninsula. Tenerife is the largest of the islands by population, and frequent ferry services connect the archipelago with the Andalusian coast. Because of this distance, the Canary Islands have a more separate relationship with the mainland than the Balearics, which are close enough to the eastern peninsula to be linked more closely with its regional economies.

Climate regions and regional contrasts

Spain is often described as one of the most climatically varied countries in Europe. Its Köppen classification includes around thirteen distinct climate types, though a few broad categories cover most of the territory. The most widespread is a Mediterranean regime with dry summers, which dominates the Iberian Peninsula except for the far north, where an oceanic regime prevails. Its hot-summer form (Csa) is most common along the southern and western lowlands, while its warm-summer form (Csb) appears in cooler, higher or more northerly locations. Semi-arid climates (BSk and BSh) are the other major category, and they cover the south-east and parts of the Ebro basin and Andalusia.

The north and north-west have an oceanic climate (Cfb), influenced by the Cantabrian Sea and by rainfall that is spread through the whole year rather than concentrated in one season. Summers there are cooler than in the south, and winters are mild. The coastal fringe of Galicia, Asturias, and the Basque Country therefore has some of the wettest and greenest landscapes in the country, a contrast that is especially sharp when compared with the dry lowlands only a few hundred kilometres to the south.

The interior is shaped by the central plateau, the Meseta, which lies at roughly 600 to 700 metres above sea level. Surrounding mountain ranges block much of the moist air from the Atlantic and the Mediterranean, which produces a continental pattern with hot, dry summers and cold winters. Frost is common in the interior in winter, and the temperature range between seasons and between day and night is much larger than on the coasts. Coastal areas of the south and east, by contrast, experience milder winters and rainfall concentrated in spring and autumn.

The south-east is the driest part of the mainland. The Murcian coast, which forms part of the Alicante–Almería axis, has annual rainfall of about 151 mm at Cabo Tiñoso, one of the lowest figures in Europe, together with sunshine totals of 2,800 to 3,000 hours a year. Semi-arid conditions are not confined to this area, however: they also occur in the Ebro basin, a reminder that aridity in Spain is shaped by rain shadows and basin geography as well as by latitude. Altitude adds further variation. The Pyrenees and the Sierra Nevada have alpine conditions at their higher elevations, where temperatures and precipitation change sharply over short distances.

The Canary Islands lie in the Atlantic at roughly 28°N, and their climate is usually classed as subtropical oceanic, although some descriptions call it tropical. Cool waters of the Canary Current and the Azores high-pressure system moderate temperatures, so winter minima rarely fall far below 13 to 15 °C and summer highs are generally in the mid-to-high 20s. The north-east trade winds are the main control on local weather. On exposed northern slopes they push moist air upward, where it condenses into a band of cloud at roughly 1,200 to 1,800 metres, while the sheltered southern coasts of the larger islands are much drier and sunnier. This exposure effect creates strong microclimates over short distances. Above the cloud layer, at observatories such as Izaña on Tenerife at about 2,400 metres, January averages fall to around 4.5 °C, while the July average is about 18.5 °C. The archipelago's climate therefore changes more with altitude and aspect than with season.

Biodiversity and ecosystems

The Iberian Peninsula ranks among the most biologically rich parts of Europe. Although its area is less than 6% of western Europe, the peninsula harbors as much as 50% of European plant and terrestrial vertebrate species, and about 31% of the roughly 900 European endemic species in those groups occur there. Researchers usually link this concentration to the ice ages. Because the peninsula remained relatively ice-free during Quaternary glacial periods, it offered refuge to many northern and central European species, and comparatively small swings in temperature and rainfall may have promoted new speciation, as described in the glacial refugium hypothesis. Spain as a whole is one of the 25 biodiversity hotspots in the world and considered one of the most biodiverse countries in the European Union, with an endemism rate that official country profiles place at between 20-25%. The same refuge function carries a risk: a study of endemic bats warns that Mediterranean peninsulas may become a trap for limited dispersal and ecologically limited endemic species under future climate change, which could erase entire lineages.

Spain's fauna is dominated by invertebrates. Of the animal species recorded in the country, the large majority are invertebrates, and only a few hundred are vertebrates when saltwater fish are excluded. Flora is similarly varied across the peninsula's Mediterranean, Atlantic, and mountain zones, and the southern part of the peninsula has a high concentration of endemic plants.

Wetlands are among the most important habitats. The Guadalquivir estuary, together with its marshes and lagoons, forms one of the largest wetland complexes in Europe, and it attracts tens of thousands of waterfowl. The Doñana area, centred on the estuary, combines marshes, rice fields flooded in alternating seasons, dunes, lagoons, pine groves, and cork oak woodland. It is the main biodiversity hotspot on the peninsula, where five out of twelve critically endangered species are present. However, the Doñana National Park covers less than a third of the wetlands of the Guadalquivir, and it is effectively surrounded by several natural parks administered by the regional government of Andalucía. Protection of the wider wetland therefore depends on coordination among several administrations.

Cork oak and holm oak woodlands are equally significant. The dehesa, an agrosilvopastoral landscape of widely spaced trees over grassland, is found exclusively in the centre and southwest of the Iberian Peninsula, and it supports wildlife, livestock, and products such as cork and honey. Over the past century many dehesas and montados were cleared to create larger single-crop fields of grain and other agricultural commodities. The system is also under threat from a tree-mortality problem known as holm oak decline, which has been causing an increase in tree mortality and has seriously damaged the dehesa. Mountain habitats are represented in the Pyrenees, where the Aran Valley is among the notable mountain hotspots, and in the Sierra Nevada.

The Iberian lynx illustrates both recovery and fragility. During the second half of the twentieth century, the population crashed to just 62 mature individuals. The decline was driven by persecution, by the spread of myxomatosis that wiped out the European rabbit on which the lynx depends, and by habitat loss. The European rabbit accounts for about 75% of the Iberian lynx's diet, so changes in rabbit numbers have direct consequences for the cat. Roads have been a particular problem, obstructing the genetic exchange between different individuals and resulting in deaths from vehicle collisions. Conservation measures, including captive breeding and reintroduction, have helped the species recover, and in Spain, building wildlife tunnels beneath busy highways has helped address the problem. Estimates of the current population differ between sources, with one citing about 1,000 animals and another citing more than 2,000. Its IUCN status has improved, but the Iberian lynx is on the road to recovery, having reduced the threat level on a global scale to Vulnerable.

Protected areas cover a substantial share of the peninsula, but they do not represent every group equally. A study of protected areas in Spain and Portugal found that they reasonably represented the plant and animal species considered (73-98%), but species of some groups (amphibians, reptiles, birds, and gymnosperms) did not accumulate in protected areas at a rate higher than expected by chance. The same study estimated that at least 36 additional areas are needed to conserve all vertebrate and plant species in the Iberian Peninsula.

Invasive species, land-use change, fires, and droughts are further pressures on forests and farmland. Fragmentation of habitat by roads, dams, and urban development links many of these pressures, and it reduces the connectivity that wide-ranging species need to maintain viable populations.

Natural resources and environmental pressures

Spain has a long record of mineral extraction. Coal, iron ore, copper, lead, zinc and mercury have all been worked at various times, and the Almadén mercury mines in Ciudad Real are among the best-known historic mining sites in the world. The river systems of the peninsula have also been dammed for hydropower, which remains a significant part of the electricity mix (see electricity).

Water is the most pressing resource problem, and it is most acute in the south-east. In the Segura basin, expanding irrigation over four decades has put groundwater bodies under huge pressure and caused depletion to reach alarming rates in many aquifers. The Murcia Plateau, within that basin, holds some of the most depleted aquifers in Europe. Much of the extra demand came from fruit and vegetable production, and most of the water demand increase was met by individual farmers pumping from aquifers, which are not controlled by the river basin authorities. Official designations now cover a substantial number of these resources; there are 16 aquifers officially declared overexploited. Overall, the problem is broad: around 27% are overexploited, with the majority in the south and east. In Almería, intensive pumping has produced a cumulative deficit of roughly 600 Mm3, and the same province has also seen soil and water salinization. Seawater intrusion is a related risk. During the 2019–2024 crisis in the Axarquía region, reservoir levels dropped below the 8% outlet threshold and groundwater in the main aquifer dropped to sea level in several locations, risking seawater intrusion.

Land degradation is closely linked to the same pressures. According to a 2016 national assessment, 20% of the territory is degraded; an additional 1% is actively degrading. The main effects on soils include erosion, loss of organic matter, salinization, compaction, and sealing. Desertification is a contested term in Spain. Policy discourse has tended to equate it with erosion, and some researchers argue that most average values of erosion rates in Spain have been overestimated, especially in the case of natural systems. Other estimates are alarming. The UN Convention to Combat Desertification has said 75 percent of Spain's land is battling climatic conditions that could lead to desertification, and the Spanish National Research Council (CSIC) reports that soil degradation has tripled over the last 10 years. In Andalusia, a rise of about 1°C between 2007 and 2015 accompanied an average loss of fertile soil exceeding 21 metric tons per hectare per year.

Air and coastal pollution, tourism pressure and urban expansion add to these stresses, particularly in the Mediterranean regions and on the islands, where seasonal demand for water, land and infrastructure is concentrated. Climate change amplifies many of these trends. Between 1965 and 2015 the average temperature rose by 1.5 °C, and the Spanish meteorological agency AEMET has between 1980 and 2000 were 10 to 12 heatwaves per decade, whereas between 2010 and 2020 there were 24. Heat-related extremes have intensified in the coastal zone as well; the Spanish coast has experienced increases of over 2°C in recent years, and is one of the climate change hotspots within the Mediterranean area. Warmer conditions also increase the frequency of drought episodes and their severity, which feeds directly back into water scarcity and soil loss.

Population, migration, and settlement patterns

The provisional count from the National Statistics Institute (INE) placed the resident population at 49,801,559 on 1 July 2026, the highest figure in the institute's series. Growth has been steady: the second quarter of 2026 alone added 104,178 people. The INE's separate population projection, which uses its own assumptions and a different base, gives 49,590,099 for 1 January 2026, so published totals for the same date can differ by a few hundred thousand. Over the first quarter-century of the twenty-first century, the total rose from about 40 million to more than 49 million, mostly due to immigration.

The twentieth century followed a more uneven path. The population doubled during the twentieth century, but growth was extremely uneven because of large-scale internal migration from the rural interior to the industrial cities. Eleven of Spain's fifty provinces saw an absolute decline in population over the century. The average density of 98 per km² is modest by Western European standards, but the averages conceal a strong concentration: people live mainly along the coasts, in the larger cities and in the Madrid region, while much of the central plateau remains thinly settled. This is the pattern commonly described as depopulation of inland areas. Recent regional data show the same geographical split. In the final quarter of 2025, the Valencian Community, Castilla-La Mancha and the Community of Madrid recorded the highest population growth, while in the first quarter of 2026 the population rose in every region except in Canarias and Melilla. Gains in some inland regions therefore do not reverse long-term rural decline.

Immigration was marginal for much of modern Spanish history and then expanded very quickly. In 1998, immigrants made up just 1.6% of the population, but by 2009, that figure had exceeded 12%. After a fall during the financial crisis, arrivals began to rise again after 2015, with a marked acceleration after 2021. At the start of 2026, the foreign-born population was 10,004,581 people, representing 20.3% of the total resident population. Naturalisation accounts for part of the gap between place of birth and nationality: of the foreign-born residents, 7,243,561 retained foreign nationality, while the remainder have acquired Spanish citizenship through naturalisation. Among origins, the largest share of the non-European population came from South America, and the most prominent recent nationalities are Colombian, Venezuelan and Moroccan. Relative to other member states, Spain recorded the fastest growth among major EU countries in 2025, accounting for roughly one-third of the EU-wide increase.

Migration now offsets a natural decline in the population. In 2024, births numbered 318,005 and deaths 436,118, a natural change of -116,056. INE's projection for 2026 shows a migratory balance of 615,376, which more than compensates for a negative natural balance of -126,707 in the same year. If current trends persisted, Spain would gain more than four million inhabitants in the next 15 years and almost 3.4 million by 2076. The projected migratory balance itself falls over time, so the outcome depends heavily on the scale of future immigration.

Fertility is a central constraint on this picture. In 2024, the average total fertility rate across Spain was 1.10 children born per woman, one of the lowest in the world. The rate was far higher in the mid-twentieth century; the peak of 3.00 births per woman was recorded in 1964. The ageing of the population follows from these trends. INE reports that the percentage of the population aged 65 and over, which currently stands at 21.1% of the total, would reach a maximum of 30.9% around 2076. These shifts bear directly on pension finance, labour supply and the planning of services across regions, which is why demographic change is treated as a policy question in its own right within demographic analysis.

Languages and regional identities

Castilian is the official language of the Spanish state. Article 3 of the 1978 Constitution establishes that Castilian is the official language of the state, that all Spaniards have the duty to know it and the right to use it, and that the other Spanish languages are official in their own autonomous communities under their statutes. The same article treats the country's linguistic diversity as cultural heritage to be protected. Castilian is therefore the only language with nationwide official status, and it is the language of central government, courts, and national media. Its name reflects its origin in the Kingdom of Castile, from which it spread across the peninsula during the medieval period as a Latin-derived Romance language.

Co-official languages

Four other languages hold co-official status in particular regions, and each rests on a regional statute of autonomy. Catalan is co-official in Catalonia and the Balearic Islands, and in the Valencian Community it is called Valencian. The Valencian statute treats it as a language in its own right, while linguists regard Valencian as a variety of the same language as Catalan, which is spoken by more than 11 million people across its area. Galician is co-official in Galicia and is closely related to Portuguese. Basque (euskera) is spoken in the Basque Country and in part of Navarre, and it is a language isolate whose origin remains unexplained. Aranese, a variety of Occitan spoken in the Val d'Aran, became co-official across Catalonia through the 2006 Catalan statute. In 2018 the Constitutional Court ruled that the preferential status given to Aranese in the related 2010 law was unconstitutional, although its general official status was upheld.

Several other languages are legally protected without being co-official, including Aragonese, Asturian, and Leonese. Their decline has a long history: in 1707, after the War of the Spanish Succession, Philip V prohibited Aragonese in schools and made Castilian the only official language in Aragon, and later compulsory education further weakened its position. Such languages survived largely in rural speech until the democratic period after 1978 brought renewed literary and scholarly work.

Patterns of use and proficiency

Knowledge of the regional languages varies widely between and within regions. Figures from the National Statistics Institute (INE) for 2021, as compiled in one overview, put the share of residents who speak Galician well at about 83 percent in Galicia, Catalan at about 75 percent in Catalonia, and Basque at about 44 percent in the Basque Country and 17 percent in Navarre. Valencian stood at about 52 percent in the Valencian Community. Language use is also shaped by migration and by the urban–rural divide, so that the regional languages are often strongest in rural areas and in regional administration, while Castilian dominates in large cities and across much of the country.

Language policy, education, and public life

Language policy is one of the most visible points where national and regional authority meet. The constitutional framework rests on the official status of Castilian throughout the state and the official status of the other languages in their regions. A European Parliament analysis of this model notes that, in territories with two official languages, public authorities must serve citizens in the language they choose, which can lead regional governments to require public employees to know both languages. In Catalonia, schooling is commonly delivered in both Spanish and Catalan, and some universities in Barcelona teach mainly in Catalan. In September 2023 the Congress of Deputies approved a reform of its rules to allow the use of all co-official languages in plenary debates. Disputes over the language of instruction, the use of languages in administration, and the status of minority varieties recur in regional politics.

Regional identities

Language is one marker of regional identity, but it is not the only one. Catalonia, the Basque Country, Galicia, and Andalusia each have distinct cultural traditions and political histories that have shaped the regional structure of the state. Andalusia, where Castilian is the only official language, expresses its identity mainly through its own dialect features, music, and institutional autonomy rather than through a separate language. Across the regions, the relationship between linguistic identity and political demands for self-government is a recurring theme in the design and reform of the autonomy system.

Prehistory and antiquity

Early human presence

The Iberian Peninsula was settled by early humans long before any written record. The most important evidence comes from the Sierra de Atapuerca near Burgos, where cave deposits hold one of the richest early human fossil records in Europe. A jawbone from the Sima del Elefante site is dated to about 1.2 million years ago, and the Gran Dolina cavern has yielded remains of Homo antecessor at roughly 800,000 years old, including bone fragments that show signs of cannibalism. Later deposits at the same complex contain remains of early Neanderthal-related populations, at least 350,000 years old. Anatomically modern humans arrived much later, and the Upper Palaeolithic left a notable artistic record, most famously the painted caves of Altamira in Cantabria. Neolithic farming communities and rock art followed in several regions, although their exact chronology varies from area to area.

Indigenous peoples and early Mediterranean contact

By the first millennium BC the peninsula held a mosaic of peoples. Iberian populations lived along the south and east coasts, with independent city-states in the east and monarchies in the south, while the wealthy world of Tartessos in the south-west was known for its metal trade. Celtic groups entered through the Pyrenees, and in the central and north-eastern interior they mixed with Iberian populations to form the Celtiberians. Celtiberians developed a material culture distinct from that of Celtic-speaking peoples in central Europe, excelled in pottery, metalwork and gold jewellery, and wrote their Celtic language in a script adapted from the Iberian alphabet. Later they were recruited as mercenaries by both Carthage and Rome.

Traders from the eastern Mediterranean arrived from around 900 BC, drawn by silver, iron and copper. Phoenicians established Gadir (modern Cádiz) and introduced alphabetic writing, while Greeks from Phocaea set up a trading post at Emporion (Empúries) around 600 BC and later spread vines and olive cultivation along the coast. Contact with these colonists changed the material culture of coastal communities, though the interior remained largely indigenous.

Carthage and the Second Punic War

In the sixth century BC Carthage, the Phoenician city in North Africa, became the dominant external power in the south and east. Gadir had asked Carthaginian help against native attacks, and Carthaginian presence gradually displaced the earlier Phoenician and Greek networks. Carthaginian leaders, notably the Barca family, built up the peninsula's resources, and Carthago Nova (modern Cartagena) became their main base. Hannibal besieged and captured the Roman-allied city of Saguntum in 219 BC, and Rome declared war in 218 BC, starting the Second Punic War (218–201 BC). The conflict was fought across many theatres, but Iberia was a central one. The Romans established a foothold in the north-east in 218 BC, and in 209 BC Publius Cornelius Scipio captured Carthago Nova. The decisive Roman victory at Ilipa in 206 BC ended the Carthaginian presence on the peninsula.

Roman conquest of Hispania

After Carthage was removed, Rome organised its new territory. In 197 BC it created two provinces, Hispania Citerior along the east coast and Hispania Ulterior in the south. Conquest of the interior then took well over a century and combined economic and diplomatic penetration, colonisation and military campaigns against resistance. Among the best-known episodes was the siege of Numantia, which ended in 133 BC with the destruction of the Celtiberian town. Augustus finally annexed the whole peninsula in 19 BC. Under Roman rule, the peninsula acquired a network of cities and roads, and Latin became the common administrative and cultural language, providing the linguistic basis for the later development of Spanish.

Medieval Iberia: Visigoths, Al-Andalus, and the Reconquista

After the decline of Roman authority, the Visigoths built a kingdom that governed most of the peninsula from Toledo. Its rule ended abruptly in 711. A disputed royal succession split the Visigothic nobility, and one faction called on outside help. A force drawn mainly from Berber troops, under Tariq ibn Ziyad, crossed from North Africa and defeated King Roderic at the Battle of Guadalete in July of that year. Toledo, the Visigothic capital, fell soon afterwards. Within about a decade, the new rulers had taken most of the peninsula. Seville served as the seat of the first governor, Abd al-Aziz ibn Musa, who was appointed in 715. A small Christian enclave in the northern mountains survived, and its resistance is traditionally dated to the Battle of Covadonga in 718.

The conquered territory was organised as a province called Al-Andalus under the Islamic Umayyad state. Under the Emirate of Córdoba, founded in the mid-eighth century by the surviving Umayyad prince Abd al-Rahman I, and later the Caliphate of Córdoba, proclaimed in 929, the region became a major centre of learning, science, architecture, and agriculture. Its scholars exchanged ideas with the wider Islamic world, and irrigation and new crops improved farming in the south. Córdoba's supremacy did not last. The Fitna, a civil war that lasted from 1009 to 1031, destroyed central authority. Rival claimants to the caliphate fought one another, and the palace city of Medina Azahara was looted. In 1031 the caliphate was formally abolished, and Al-Andalus broke into dozens of small successor states known as taifa kingdoms. The most important of these were centred on Seville, Toledo, Zaragoza, Badajoz, Valencia, and Granada. Taifa courts patronised poets, philosophers, and historians, but their rulers were militarily weak. Many of them paid tribute to the Christian kingdoms in the north to avoid being attacked.

The Christian kingdoms of Asturias, León, Castile, Aragon, Navarre, and Portugal grew southward during this period, pushing the frontier outwards in a process later named the Reconquista. The fall of Toledo to Alfonso VI of León and Castile in 1085 was a major gain for the Christian side. The taifa states then called on the Almoravids from North Africa, who imposed direct control over Al-Andalus around 1090. Later North African dynasties, particularly the Almohads, ruled the region until their defeat at the Battle of Las Navas de Tolosa in 1212, which weakened Almohad power in the peninsula. By the mid-thirteenth century, nearly all of the peninsula was under Christian rule. The exception was the Nasrid Emirate of Granada, which existed as a tributary state from 1238 and survived until 1492. The Reconquista, understood as the whole process from the early eighth century to the end of Islamic rule, spanned roughly 770 years.

The marriage of Isabella I of Castile and Ferdinand II of Aragon, in 1469, joined two of the largest Christian realms without merging their separate institutions, laws, and currencies. From the 1470s the two monarchs increased royal authority in Castile at the expense of the nobility. They also pursued religious uniformity, and the Spanish Inquisition, founded around 1480, targeted converts suspected of continuing their original faith. The siege of Granada began in April 1491. Its surrender on 2 January 1492 ended Muslim rule on the peninsula, and the Pope later granted the couple the title of Catholic Monarchs in recognition of the conquest.

Within three months of the conquest, the monarchs issued the Alhambra Decree of 31 March 1492. It ordered unconverted Jews to leave Castile and Aragon by the end of July, and those who remained had to accept baptism. Estimates of the number who left vary widely, from about 40,000 to 200,000 out of a population of roughly 300,000, and historians still debate the figures. Many Jews converted, and their descendants, known as conversos, were often subject to Inquisition scrutiny. Muslims who lived under Christian rule as Mudéjars were initially allowed to remain. The Muslims of Castile who refused conversion were expelled in 1502, a date that marks the end of a formally Muslim presence in the Christian kingdoms. These measures are generally treated as the point at which a religiously uniform Spanish monarchy took shape, although the process of creating a unified state continued for centuries afterwards.

Empire and the Spanish Golden Age

The union of Castile and Aragon began with the marriage of Isabella I and Ferdinand II, but the overseas empire grew mainly under the Habsburgs. When Charles I became king in 1516, he inherited Castile's American holdings together with Aragon's Mediterranean possessions, the Low Countries, and Habsburg rights in Europe, and as Charles V he was also Holy Roman Emperor. After the conquests of the Aztec and Inca states in the 1520s and 1530s, Spain organised its American lands into viceroyalties, most importantly New Spain and Peru. The Casa de Contratación at Seville supervised trade with the Indies, and the crown's fleets carried goods and bullion across the Atlantic. Silver gave the system its economic weight. Mines at Guanajuato, Zacatecas, and Potosí, opened from the 1520s and 1540s, supplied most of the metal that reached Europe. From 1565 the Manila galleons linked Acapulco with Manila, connecting Spanish America with Asian trade. The Philippines were named after Philip II.

The wealth from America did not produce lasting prosperity. Much of the silver was spent on wars in Italy, the Low Countries, the Mediterranean, and against France, and on the Dutch Revolt, which lasted from 1568 to 1648. The crown defaulted on its debts several times; in 1557 it partly repudiated them and was forced into debt consolidation. Large inflows of bullion also contributed to the rising prices that affected much of Europe in the late sixteenth century. Spanish manufacturing and agriculture did not expand to match this demand, so a considerable share of the silver paid for imported goods and foreign finance. Other pressures weighed on the economy, including the expulsion of the Moriscos between 1609 and 1614, which removed a sizeable population of skilled labourers and farmers. Military setbacks such as the defeat of the Armada in 1588 and the Battle of Rocroi in 1643 made the costs of empire more visible.

The same period produced the cultural flowering known as the Siglo de Oro, the Golden Century, which roughly spans the sixteenth and seventeenth centuries. In literature, Miguel de Cervantes published the two parts of Don Quixote in 1605 and 1615, and Lope de Vega and Pedro Calderón de la Barca made the comedia a central form of the Madrid stage. Mystical poetry by Teresa of Ávila and John of the Cross ranks among the most important works of Spanish religious literature. In the Salamanca school, theologians such as Francisco de Vitoria and Francisco Suárez examined the legitimacy of the conquest and the rights of indigenous peoples, giving Spanish scholasticism an international reputation. In painting, El Greco worked in Toledo, Diego Velázquez served Philip IV at court, and Francisco de Zurbarán and Bartolomé Esteban Murillo developed a distinctive religious and realist style. Philip II's monastery-palace of El Escorial, completed in the 1580s, represents the austere architecture of the same era. These achievements took place at the same time as the financial problems, and they were sustained largely by court and Church patronage.

Spain's position in Europe weakened during the later seventeenth century. The Peace of Westphalia in 1648 recognised the independence of the Dutch Republic, and Portugal's separation from the Spanish crown, begun in 1640, was confirmed in 1668. The Bourbon dynasty replaced the Habsburgs after the death of Charles II in 1700 without an heir. The War of the Spanish Succession, which lasted until 1714, followed, and the Peace of Utrecht in 1713 removed Spain's remaining possessions in Italy and the Low Countries. Philip V, the first Bourbon king, introduced centralising reforms, including the Nueva Planta decrees, which abolished many of the institutions of Aragon and Valencia. In the Americas, the Bourbons reorganised colonial administration and tightened control over trade, moving the commercial monopoly from Seville to Cádiz in 1717.

Spanish rule in the Americas ended in a series of wars that began with the Napoleonic invasion of 1808 and the resulting political crisis in the peninsula. The Cádiz Cortes issued a liberal constitution in 1812, but independence movements spread across the mainland colonies. Mexico gained independence in 1821, and the Battle of Ayacucho in 1824 ended Spanish rule in Peru. Cuba and Puerto Rico remained under Spanish control, however, and their status became a source of conflict. Cuban uprisings in 1868 and again in 1895 led to the Spanish–American War of 1898. The Treaty of Paris, signed in December 1898, transferred Puerto Rico, Guam, and the Philippines to the United States, and Cuba was placed under American administration before becoming formally independent in 1902. In 1899 Spain sold the Caroline, Mariana, and Palau islands to Germany, which ended most of its overseas possessions.

Modern political history and the Franco regime

The nineteenth century opened with the Napoleonic invasion of 1808, which triggered the Peninsular War and displaced the Bourbon monarchy. The liberal Constitution of Cádiz (1812) became a reference point for later constitutional debate, but absolutist and liberal governments alternated repeatedly. Army officers used pronunciamientos, military uprisings that could replace a government, as a routine political instrument. The First Republic (1873–1874) lasted barely a year before the Bourbon restoration of 1874 introduced a system in which conservative and liberal parties took turns in office. The military dictatorship of Miguel Primo de Rivera (1923–1930) suspended that system, and its collapse amid the economic turbulence that followed the 1929 Wall Street Crash opened the way for a republic.

The Second Spanish Republic was proclaimed in April 1931, after progressive parties won the elections and King Alfonso XIII left the country. Spain formally transitioned to a republic on December 9, 1931, with the adoption of its new constitution. That constitution guaranteed the freedom of speech and freedom of association, gave women the right to vote, legalized divorce, and stripped Spanish nobility of their noble privileges. The government of Manuel Azaña pursued a series of reforms during the two years of constitutional government known as the Reformist Biennium, including a moderate agrarian reform, a restriction on religious orders' control of schools, and home rule for Catalonia with a parliament and a president of its own. Opposition from conservative groups and the military grew in parallel, and in July of 1936 a group of military officers led by General Francisco Franco attempted a coup d'état, which was met with serious resistance and led to a full-blown civil war. Franco's forces received support from Nazi Germany and Fascist Italy, and the republic's forces surrendered on 1 April 1939.

The Nationalist side governed the territories it held from 1936 onward, and by 1939 its authority covered the whole country under the name the Spanish State. Franco rose to power after defeating the Second Republic during the Spanish Civil War and ruled with an iron fist, characterized by political repression and significant control over the military and the Catholic Church. Franco kept the Falange, the army and the Church in competition with one another, which reinforced his personal authority. Repression targeted former Republicans in particular: thousands were executed or imprisoned, and cultural and political life operated under strict censorship. Franco had designated Juan Carlos as his successor in 1969, bypassing the generation of his own son-in-law's contemporaries and returning the Bourbon line to the succession. The dictator died on 20 November 1975, ending a regime that had lasted for nearly four decades.

The transition to democracy began immediately afterwards. Two days after Franco's death, the general courts proclaimed Juan Carlos the king of Spain. In July 1976 he appointed Adolfo Suárez the prime minister. The Political Reform Law of November 1976 served as the legal bridge: it established a parliamentary monarchy under Juan Carlos I and a two-chamber parliament elected by universal suffrage, and eventually led to a referendum to approve the Constitution of 1978. Under Suárez, political parties were legalized and political prisoners were released. The elections of June 15, 1977, were the first free elections in Spain in forty-one years. An amnesty law followed in October 1977. The Constitution of 1978 was approved by the Cortes and then by referendum, and on December 27th, 1978, the king signed the Act that brought the country's new constitution into effect. It established Spain as a constitutional monarchy, separated church and state, and created 17 autonomous communities. Historians generally describe the process as reformist rather than revolutionary: it was not a radical break with the past, but a process of gradual and controlled reforms.

Debates about how to remember the civil war and the dictatorship have never fully settled. Franco's remains were moved in 2019 from the Valley of Cuelgamuros to the Mingorrubio cemetery in Madrid, a decision that intensified public argument about the regime's legacy. Successive laws, including the Historical Memory Law of 2007 and the Democratic Memory Law of 2022, have addressed recognition for victims, the restoration of their rights, and the handling of symbols and monuments linked to the dictatorship. Disagreement persists over how far the 1977 amnesty and the consensus of the transition should shape the current reading of the past, and over the balance between reconciliation and accountability.

Government, constitution, and institutions

Spain is organised as a parliamentary monarchy under a constitution approved by the Cortes Generales on 31 October 1978, ratified by referendum on 6 December 1978, and in force from 29 December 1978. The text has been amended only three times, most recently in February 2024. The King is head of state and a symbol of the state's unity and continuity, but his functions are largely representative and arbitral, and he does not direct policy. Executive power is exercised by the Government, which is led by the President of the Government (the Prime Minister). The King nominates the candidate after consulting parliamentary groups, and that candidate must win an investiture vote in the Congress of Deputies before taking office. The Prime Minister appoints the ministers, who together form the Council of Ministers, the collective body that sets executive policy and drafts most legislation.

The Cortes Generales hold legislative power, approve the state budget, and oversee the Government. The lower house, the Congress of Deputies, has between 300 and 400 members, elected for four-year terms. Its seats are allocated by province through proportional representation, and the Congress is the chamber with the decisive role: it can withdraw confidence from the Prime Minister through a motion of no confidence, and in ordinary lawmaking it can override the Senate's delays or amendments. Ceuta and Melilla each send one deputy. The upper house, the Senate, is defined as the chamber of territorial representation. Most senators are elected directly, four in each province, with island constituencies in the insular provinces, while regional parliaments designate additional senators, one for each self-governing community plus one for every million inhabitants. The Senate has a real but secondary legislative role, and it shares with the Congress the approval of treaties and certain significant appointments. Both chambers jointly elect the Ombudsman, eight of the twelve members of the Constitutional Court, and members of the General Council of the Judiciary, which governs the career of judges.

Judicial review rests mainly with the Constitutional Court, which interprets the constitution, rules on the constitutionality of laws, and resolves disputes between the state and the autonomous communities or between regions. Ordinary justice is headed by the Supreme Court, while the National High Court handles certain serious and national-scope cases. The separation between the Government and the judiciary is reinforced by the institutional independence of the General Council of the Judiciary, although the parliamentary method of selecting its members remains a subject of recurring political debate.

Power is distributed territorially through a system often described as quasi-federal. Spain comprises seventeen autonomous communities and two autonomous cities, each governed under a statute of autonomy that functions as an organic law approved by the Cortes. The constitution lists the matters the state reserves to itself, and the statutes and the constitution's distribution clauses assign further competences to the regions, which typically include health services, education, and regional police forces. Some regions, notably the Basque Country and Navarre, enjoy distinctive fiscal arrangements that give them wide control over the collection of most taxes. Disputes over the division of competences are settled by the Constitutional Court, and regional governments and parliaments are themselves important political actors within the national party system.

Political life is organised around political parties, whose role is recognised in the constitution. Congressional seats are distributed among provincial constituencies using the d'Hondt method, and a minimum threshold applies in each constituency. Because many provinces elect only a few deputies, the system tends to favour large national parties and parties with concentrated regional support, while the relationship between national and regional parliaments remains a central feature of governance. Coalition governments, minority cabinets relying on parliamentary support, and regional parties playing a decisive role in investiture votes have become increasingly common in recent decades.

Economy and labour market

Sectoral structure and recent growth

Spain is an advanced economy in which services dominate output. Official-series figures cited for 2023 put services at about 75% of economic activity, industry at about 22%, and agriculture at under 3%. The services sector includes tourism, retail, transport, and professional services, and the share of high-value services has grown since the pandemic. Goldman Sachs economists, for example, put that share about 3 percentage points above its pre-pandemic level. Growth has been strong by European standards: CaixaBank Research reports that GDP expanded by 2.8% in 2025, against 1.5% for the euro area, with domestic demand offsetting weaker foreign demand. BBVA Research projects growth of 2.4% for 2026 and 2.1% for 2027. Forecasts of this kind are revised frequently, so the figures should be read as projections rather than settled outcomes.

Tourism and foreign income

Tourism is one of the main sources of foreign currency. Spain's National Statistics Institute (INE) recorded 96.8 million foreign visitors in 2025, an increase of 3.2% on 2024, and foreign visitors' spending rose 6.8% to €134.7 billion. The government's year-end balance rounds the visitor total to 97 million. Tourism accounts for about 12.6% of GDP, according to figures reported by the Associated Press. The largest source markets are the United Kingdom, France, and Germany, and Catalonia alone attracted around 20.1 million visitors. Coastal and island regions, including the Balearic and Canary Islands, receive a large share of arrivals. The Ministry of Tourism has stated a policy aim of shifting toward quality over volume, which links the sector to the debates on housing and short-term rentals discussed elsewhere in this entry.

Manufacturing and trade

Industry is concentrated in automotive production, machinery, food processing, and chemicals. Exports of these goods go largely to other EU member states, which makes Spanish manufacturing sensitive to demand in neighbouring economies and to the rules of the single market. Trade performance has weakened recently: CaixaBank Research notes that goods exports stagnated in 2025 because of tariffs and weak demand from euro-area partners, while services exports remained strong. The trade deficit widened to 2.8% of GDP in 2025 from 2.1% in 2024, and the current account stayed in surplus mainly because of services.

Unemployment and the labour market

Unemployment has been persistently higher than in most of the EU. The overall rate was 11.4% in 2024, more than double the EU average of about 6% in late 2024. Figures for 2026 vary by source and method: Eurostat's seasonally adjusted rate was 9.8% in January 2026, the second-highest in the EU after Finland, while the INE Labour Force Survey (EPA) recorded 10.83% in the first quarter, the weakest first quarter since 2013. Other series show the rate falling below 10% by August 2026. Youth unemployment is considerably higher. It reached 26.5% in 2024, against an EU average of 14.9%, and it exceeded 50% after the 2008 financial crisis. Eurostat's seasonally adjusted series showed 23.7% in May 2026, still well above the EU average.

Structural features: duality and temporary work

The labour market has long been marked by a sharp divide between permanent and temporary employment. Temporary contracts were widespread in the decades before 2008 and became a standard entry point for young workers. Structural explanations include labour market segmentation, weaker transitions from education to work, and the prevalence of temporary contracts among young people. The 2021 labour reform restricted the use of temporary contracts for most purposes and promoted permanent and fixed-discontinuous forms, but the effects on youth employment and on regional differences remain debated. Unemployment also varies widely across regions, with the highest rates in Andalusia, Extremadura, and the Canary Islands.

Monetary constraints

Spain uses the euro, so the monetary policy of the European Central Bank sets the interest rates that apply to Spanish borrowers. The government and the Bank of Spain therefore cannot lower interest rates or devalue a national currency to respond to a downturn. Adjustment has to occur through wages, fiscal policy, and labour mobility, which is one reason why the 2008 crisis and the labour market reforms that followed remain central reference points in Spanish economic policy.

Infrastructure, energy, and the transition to renewables

Spain's transport system rests on a high-speed rail network whose first line, between Madrid and Seville, opened in 1992. Estimates of its length vary with how sources count lines under construction and upgrades, but they generally fall between about 3,400 km and nearly 4,000 km, which makes it the longest high-speed network in Europe and the second longest in the world after China. Individual corridors show the network's scale. The Madrid–Barcelona line, opened in 2008, is about 621 km long, and the Madrid–Levante network is expected to reach about 955 km once fully operational. Conventional railways are older and more varied: the system spans roughly 16,000 km and uses four different track gauges, so regional and freight services often run on separate infrastructure from the high-speed lines. Motorways and airports complement the rail network by linking the main cities and supporting tourism and the movement of freight. Infrastructure investment in these networks has been a long-running public priority.

The electricity system has moved strongly toward renewable generation. In 2025 the grid operator Red Eléctrica (REE) recorded renewables supplying 55.5% of electricity generated, a share that rises to 56.6% when estimated output from self-consumption installations is included. Without self-consumption, wind was the largest single source at 21.6%, followed by nuclear at 19%, solar photovoltaics at 18.4%, combined-cycle gas at 16.8%, and hydropower at 12.4%. Once rooftop and other self-consumption output is counted, solar moves to the top of the national mix. Storage has become part of the picture as well: pumped-storage hydropower and batteries absorbed about 9,213 GWh in 2025, which allowed more renewable output to be used. The electricity system therefore depends increasingly on variable sources, which places heavier demands on grid control and balancing.

The renewable build-out has happened in phases. Feed-in tariffs introduced under the 1997 Special Regime and Royal Decree 661/2007 encouraged rapid growth in wind and solar PV, and PV plants built from 2007 helped lift the renewable share of generation from about 20% in 2008 to about 40% in 2013. Legislative reforms in 2012, codified in Law 24/2013 and Royal Decree 413/2014, altered the sector's economics, and the share levelled off at about 37% in 2019 before reaching about 47% in 2021. Growth then resumed, and renewables supplied 56.8% of generation in 2024. Solar PV is now the largest installed technology when self-consumption is included, at almost 50 GW. Spain ranks second among ENTSO-E members in its presence of solar and wind capacity, behind only Germany. Regional patterns reflect the geography of the resource: solar PV became the leading technology in Andalusia's energy mix in 2025, while Aragón generated 82.9% of its electricity from renewables and Castilla y León reported renewables making up 94% of its generation structure.

Nuclear power is a separate and more contested part of the energy system. Spain operates seven reactors that together supply roughly a fifth of its electricity, and its first commercial reactor began operating in 1968. A 2019 agreement between the government and plant operators set a phase-out schedule under which four reactors would close by the end of 2030 and the remaining three by 2035. The Almaraz plant in Extremadura, with two units and a combined net output of about 2,017 MW, supplies more than 7% of national electricity. Its units were originally due to close in 2027 and 2028. In August 2026 the government approved continued operation of both units until June 2030, after the Nuclear Safety Council issued a favourable report in July 2026 and the operators had applied in October 2025. Official justifications cited security of supply and volatile gas prices. The April 2025 blackout that affected the Iberian Peninsula had already returned the role of nuclear generation to public debate. Environmental organisations have long opposed nuclear power, and the European Parliament called in May 2026 for the government to reconsider the planned closure, which shows how the question divides opinion.

Energy policy now centres on several linked questions. The National Energy and Climate Plan envisages about 214 GW of total installed capacity by 2030, of which roughly 160 GW, or about 75%, would be renewable. Reaching that target depends on grid expansion and on operational control: REE's Renewable Energy Control Centre supervises generation to keep a system with a high renewable share secure. Policymakers must also decide how quickly reactors should close, how much storage and backup capacity will be needed, and how to balance cost, emissions, and supply reliability. These choices carry economic consequences for regions that host power plants, and environmental consequences for the pace of renewable and solar deployment and for the future of nuclear power.

Society, education, health, and welfare

Spain's health outcomes are among the strongest in Europe. Life expectancy at birth was 84 years in 2024... (no cite tags here; see sources)

Spain's health outcomes are among the strongest in Europe. Life expectancy at birth reached 84 years in 2024, third-highest in the European Union after Italy and Sweden and about 2.3 years above the EU average. Women live on average 5.3 years longer than men, and cardiovascular disease and cancer are the leading causes of death. Healthy life expectancy, the number of years lived in full health, is considerably lower, at roughly 71 years for the total population. The COVID-19 pandemic produced a sharp fall in life expectancy in 2020, which recovered by 2023.

Regional differences in longevity are substantial beneath the national average. In the EU's regional statistics Madrid recorded the highest value, at 86.1 years, while the Canary Islands, Andalusia, Melilla and Ceuta fall outside the top group of European regions. The gap between the most and least favoured Spanish provinces was 3.59 years in 2023. Because health care is administered by the autonomous communities, service levels, waiting times and funding also vary from region to region. Population ageing adds pressure: about 21.6 per cent of residents were aged 65 or over in 2025 by estimate, and the fertility rate fell to about 1.1 children per woman in 2024.

Schooling is free and compulsory for children aged 6 to 16, covering primary education (6–12) and compulsory secondary education, ESO (12–16). Pre-primary schooling is optional, and after 16 students may enter the two-year Bachillerato, which leads to university, or vocational training. Schools are public, state-subsidised or private. The country has a large public university system: one count lists 51 public universities alongside 41 private ones, with public tuition generally much cheaper. Public research is organised around institutions such as the National Research Council (CSIC).

Social protection rests mainly on the contributory pension system, which pays more than 10 million pensions to over 9 million people. Under a 2023 reform, the government committed to gradually raising the lowest pensions so they do not fall below the poverty threshold, and minimum pensions were set to rise by 7 per cent in 2026. The Minimum Vital Income (Ingreso Mínimo Vital), introduced after the COVID-19 crisis as a national benefit, reached around 780,000 families. Regional minimum income schemes continue alongside it, but their amounts and coverage differ widely across the autonomous communities, and analysts have criticised the benefits as low and poorly targeted. The at-risk-of-poverty rate for people aged 65 and over was 16.4 per cent in December 2025, and the adequacy of pensions remains a central policy question.

Family life and social attitudes have changed markedly since the 1970s. The return to democracy brought a 1981 reform that introduced divorce, and the legalisation of same-sex marriage in 2005 placed Spain among the early adopters in Europe. Birth rates have declined, households have become smaller and more diverse, and women's participation in education and paid work has expanded, while the Catholic Church's influence on public life has weakened.

Religion, culture, and the arts

Religion and secularization

Catholicism has been the dominant faith in Spain for centuries, and under the Franco dictatorship the Church was placed at the centre of state ideology through a doctrine known as National Catholicism. After Franco's death in 1975, the democratic transition opened the way to rapid secularization, and later laws such as the 2005 same-sex marriage act and the liberalization of abortion rules marked the change in public morality.

Survey data show how far religious identification has fallen. In 2000, 80% of Spaniards identified as religious, a figure that decreased to 75% a decade ago, and further dropped to 59.5% in 2022. Estimates for the most recent years vary with methodology. A December 2025 survey by the Centre for Sociological Research (CIS) put the share of self-identified Catholics at around 52%, of whom 15.2% define themselves as practicing Catholics, while 36.9% consider themselves non-practicing Catholics. Other series give somewhat higher figures, and Church statistics are higher still, since according to the Vatican, there were more than 45 million Catholics out of a total population of nearly 49 million Spaniards in 2024. These figures, however, are based on baptismal registries provided by dioceses. Regular practice is much rarer than nominal affiliation: only 17% of adults stated that they attended a Catholic service at least once a month in 2024.

Not all trends point in the same direction. A 2026 poll of young people reported a rise in the share describing themselves as practising Catholics between 2020 and 2025, so the decline is not uniform across generations. Religion's public imprint nonetheless remains visible in cathedrals, the calendar of public holidays, and the Church's continuing role in heritage management and ceremonies.

Literature

Spanish literature spans a long arc from medieval epic poetry, such as the anonymous Cantar de mio Cid, to the Golden Age (roughly the sixteenth and seventeenth centuries), when dramatists and poets including Lope de Vega, Calderón, and Quevedo were active. The most internationally influential work of this period is Miguel de Cervantes's Don Quixote. Published in 1605 and continued in a second part in 1615, it is often described as an early modern novel. Published in the early 17th century, "Don Quixote" is the second-most-translated book after the Bible, and, according to a recent survey of 100 novelists, the best book of all time. The modern period brought the poetry of the Generation of 1927, including Federico García Lorca, and a long line of novelists and dramatists.

Painting, architecture, and design

Spanish visual art includes figures whose work is studied worldwide. El Greco's elongated religious paintings, Diego Velázquez's court portraits, and Francisco de Goya's late works belong to the older canon, which can be seen in collections such as the Museo del Prado in Madrid. In the twentieth century, Pablo Picasso and Salvador Dalí became central to European modernism. In architecture, Antoni Gaudí's Modernisme buildings in Barcelona, including the Sagrada Família, which has been under construction since 1882, have become emblems of the country's identity and a major draw for visitors.

Music, dance, and festivals

Flamenco is the best-known of Spain's performing traditions. Flamenco is an artistic expression fusing song (cante), dance (baile) and musicianship (toque). Andalusia in southern Spain is the heartland of Flamenco, although it also has roots in regions such as Murcia and Extremadura. The genre drew on many cultural strands, and UNESCO's description notes centuries of cultural exchange among various civilizations in the south of the Iberian Peninsula, including the Greeks, Romans, Tartessians, Christians, Jews, and Muslims. UNESCO inscribed it on its list of Intangible Cultural Heritage of Humanity on 16 November 2010, after an earlier nomination in 2005 had not succeeded. Regional music, such as the Galician and Basque traditions and the varied folk styles of Castile and the Canary Islands, sits alongside it.

Festivals are an equally important part of cultural life. Flamenco is itself performed during religious festivals, rituals, church ceremonies and at private celebrations. Holy Week processions in Andalusia and elsewhere combine religious devotion with popular spectacle, while the Valencian Fallas and the Patios festival of Córdoba are among the country's elements inscribed on UNESCO's intangible heritage list. Bullfighting (corrida de toros) remains a traditional spectacle in many regions but is also contested; it was banned in Catalonia from 2012. Cuisine, from regional rice dishes to tapas culture, is another expression of the country's regional diversity.

Foreign relations, the European Union, and international role

Integration into Europe

Spain's European policy was shaped by the end of the Franco dictatorship. It formally applied to the European Economic Community in July 1977, and the Treaty of Accession was signed with Portugal on 12 June 1985. Membership took effect on 1 January 1986, after more than six years of negotiation. The talks were prolonged largely by concerns over the Spanish fishing fleet, which was then larger than the entire Community fleet combined. Accession brought structural changes to the economy, legislation, and society, and the country recorded the highest growth rate in the Community for five consecutive years. Spain now takes part in the EU's institutions, its single market, and the euro, which it adopted in the late 1990s and 2000s. As a eurozone member, Spain has no national control over interest rates or its exchange rate, and its monetary conditions are set through European monetary policy. Spain's foreign ministry also notes that it receives more Erasmus students than any other country.

NATO, the United Nations, and security

Spain has been a member of the United Nations since 14 December 1955. It joined the North Atlantic Treaty Organization on 30 May 1982 as its sixteenth member, a step that was contested at home by leftist groups and by Scandinavian members who viewed the Franco regime as incompatible with the alliance's principles. Spain joined NATO's integrated military command in 1999. It hosted the 2022 NATO summit in Madrid, and it hosts US forces at Naval Station Rota and Morón Air Base under bilateral arrangements. Spain has contributed personnel to UN peacekeeping missions authorised by the Security Council, and it has also taken on a non-permanent seat on that Council. Security tensions within the alliance have become more visible in recent years. At the June 2025 NATO summit, Spain was the only member that did not commit to the target of spending 5% of GDP on defence by 2035. Relations with the United States have also been strained during the second Trump administration.

Latin America and Ibero-America

Shared language, history, and cultural links give Spain a distinct position in Latin America, and this is one of the traditional pillars of its foreign policy. Spain participates in the Ibero-American community of nations and its summit mechanism, which fosters political dialogue, trade, development cooperation, and cultural exchange. Madrid has also supported regional integration bodies such as MERCOSUR, the Central American Integration System, and the Community of Latin American and Caribbean States. Spanish governments have generally emphasised democratic governance and cooperation in these relations.

Morocco, Ceuta and Melilla, and Western Sahara

Relations with Morocco are the most volatile element of Spanish foreign policy. Spain administers the enclaves of Ceuta and Melilla on the North African coast, and it treats them as part of its sovereign territory and of the EU. Morocco claims both cities. In May 2021, after Madrid allowed the leader of the Polisario Front to receive medical treatment in Spain, Morocco relaxed border controls at Ceuta and thousands of people crossed into the city. Relations improved in 2022, when Spain backed Morocco's proposal to give Western Sahara, a former Spanish colony annexed by Morocco in 1976, a degree of autonomy under Moroccan control. Madrid has maintained that the people of Western Sahara must decide their future through a referendum. In late July 2026, a mass crossing into Ceuta from Morocco placed the enclaves at the centre of a new diplomatic dispute. Morocco's justice minister later restated Rabat's historical claims and proposed a bilateral mechanism to discuss the cities' future. Spain's foreign minister rejected any notion of shared sovereignty and ruled out talks on Spain's territorial integrity.

Gibraltar, former colonies, and global priorities

The sovereignty of Gibraltar, a British overseas territory at the southern tip of the peninsula, remains a standing point of diplomatic attention between Madrid and London. Spain's broader foreign policy is organised around European integration, strategic autonomy, the Mediterranean, Latin America, and a rules-based international order, as set out in its 2021–2024 foreign action strategy. Its security priorities include stability in the Maghreb, the Mediterranean, and the Middle East. Development cooperation and relations with former colonies, including Equatorial Guinea and Western Sahara, form further components of this policy. Together these commitments link Spain's position within Europe with its role across the Atlantic and the Mediterranean.

Debates and open questions

Rural depopulation is one of the most visible of these questions. The phrase España vaciada, or Empty Spain, describes the sparsely populated interior, where villages have lost residents to cities for decades. The phenomenon known as 'España vaciada', or 'Empty Spain', refers to the demographic shift leaving many of the country's rural areas sparsely populated. The process has deep roots: Spain experienced an unprecedented wave of emigration in the 1950s and 1960s. Soria, one of the most depleted provinces, had about 90,700 residents spread across 183 municipalities, more than 8,000 fewer than in 1987 (One of the most depopulated provinces – in Castile and León and in all of Spain – is Soria. In an area four times the size of Saarland, a total of only 90,717 people are living in 183 communities. That is 8,116 fewer than in 1987). An academic review citing the national statistics institute estimates that some 45,000 people abandon rural communities annually. The same review notes that the average farmer in Spain is 61 years of age. Because there is no single national programme, responses are spread across regional and municipal initiatives, for example in Castilla y León, Aragón and Extremadura, where local governments connect housing offers to community jobs. Such efforts raise the enduring questions of how public services, transport and healthcare can be sustained in low-density areas.

Housing affordability and tourism pressure are closely linked. In Madrid, a rental-industry guide citing council figures reports that 997 granted licences covering 1,405 units, against the roughly 16,100 tourist flats the council says are operating. Central Madrid has been restricted since September 2025, when Madrid's Plan RESIDE barred tourist flats from residential buildings anywhere inside the historic centre, on every floor. Nationally, the largest tourist cities registered a first decline in short-term rental capacity in early 2026, as a new national registry and tighter local rules removed unlicensed beds from the market. Within apartment buildings, a 2025 amendment to the Horizontal Property Law has made community consent a decisive factor: any express community agreement approving, limiting, conditioning or prohibiting tourist letting needs the favourable vote of three fifths of owners representing three fifths of the participation quotas. Barcelona, meanwhile, has announced that its existing tourist licences will not be renewed after November 2028, although court challenges are pending.

The balance of power between the state and the autonomous communities is contested mainly on fiscal and linguistic grounds. Under the 1978 Constitution, the regions hold wide competences, but some communities, notably the Basque Country and Navarre, operate special fiscal arrangements that differ from the common regime, and Catalonia has pressed for a comparable financial framework. Language policy is a parallel field of dispute, particularly in education and public administration, where Catalan, Galician and Basque are co-official with Castilian. Each reform of financing or language rules tends to reopen debates about how far regional autonomy should extend and how the central government should guarantee equal treatment of citizens.

Water and climate adaptation form another set of open questions. Much of the south-east faces structural shortages, and demand from irrigation and urban use places heavy pressure on reservoirs and aquifers. Policy discussions focus on how to secure supplies through better management of groundwater, reuse, and in some cases desalination, while also adjusting agricultural practices to a warmer climate with more frequent heatwaves and periods of drought. These choices involve trade-offs between farming, tourism, urban growth and the ecological condition of rivers and wetlands.

The sustainability of the pension system is a further long-term issue. The OECD has observed that the system covers only 70% of the expenditure through contributions, meaning that the remainder must be financed from general taxation. Demographic change drives the outlook: retirees currently make up a fifth of the population, projected to rise to 30% by 2050. The 2023 reform (Royal Decree-Law 2/2023) is gradually lengthening the period used to calculate pensions, and from 2037, pensionable earnings for calculating the retirement pension for new retirees will be based on either the last 25 years (the current standard) or the last 29 years of insured employment, whichever is more favourable to the employee. In May 2026 the fiscal watchdog AIReF reported that net pension spending stays formally within the regulatory limit, but it concluded that these measures are insufficient to guarantee the system's sustainability. Its projections foresee debt will rise up to 123% of GDP, which keeps pension financing closely tied to wider fiscal policy decisions.

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