Spain ranks #23 of 170 militaries worldwide in 2026, with 120,350 active troops. The Spanish Army fields 6,152 ground vehicles, including 317 main battle tanks; the Air Force flies 509 aircraft, including 178 combat aircraft; the Navy operates 87 warships, including 2 submarines. Spain has no nuclear weapons.
| Domain | Strength | Composition |
|---|---|---|
| Spanish Air and Space Force | 509 aircraft | 178 combat 178 helicopters 28 air bases +207 on order |
| Spanish Navy | 87 warships | 13 major combatants 2 submarines 5 naval bases |
| Ground Forces | 6,152 vehicles | 317 main battle tanks |
| Personnel | 120,350 active | 15,150 reserve 87,450 paramilitary |
| Pillar | Weight | Score | Basis |
|---|---|---|---|
| Manpower | 10% | 48.9 | Active, reserve & paramilitary personnel |
| Ground forces | 20% | 46.7 | ARMS inventory power: armour & artillery by type and era, attack helicopters, armament |
| Naval power | 20% | 44.2 | SEAS inventory power: hulls by type, size and era, air wing, sustainment, armament |
| Air power | 25% | 43.5 | AIRS inventory power: aircraft by type and generation, enablers, armament |
| Nuclear deterrent | 10% | 0.0 | No declared nuclear capability |
| Defense budget | 15% | 48.0 | Annual spending, purchasing-power adjusted |
| Availability | modifier | ground ×1.17 · naval ×1.09 · air ×1.07 | Budget per point of each force, from the branch indexes |
| Population | 48.8M (2024) |
| GDP | $1.7 trillion (2024) |
| GDP per capita | $35,327 |
| Military budget | $35B (2025) |
| Share of GDP | 2.0% (2025) |
| Military spending per capita | $707 (2025) |
| Inflation rate | 2.77% (2024) |
| Capital | Madrid |
| Region | Europe |
| Land area | 498,980 km² |
| Coastline | 4,964 km |
| Land borders | 1,918 km |
| Bordering countries | 5 |
| Currency | EUR |
Spain is situated at the intersection of the Mediterranean Sea and the Atlantic Ocean, controlling the northern shore of the Strait of Gibraltar. This geographic location defines its primary security priorities as maritime security, stability in the Maghreb and Sahel regions, and the protection of its territorial integrity, specifically the North African enclaves of Ceuta and Melilla and the Canary Islands.
Spain has been a member of NATO since 1982 and is a member of the European Union. Its defense posture is further defined by the bilateral Agreement on Defense Cooperation with the United States, which grants the U.S. military access to the Rota Naval Base and Morón Air Base. Under a 2023 amendment to this agreement, the U.S. Navy presence at Rota is expanding to a total of six Aegis-equipped destroyers, with the final vessels arriving in 2025 and 2026.
Spanish defense doctrine increasingly emphasizes the "Southern Flank" of NATO, focusing on threats from non-state actors, irregular migration, and regional instability in North Africa. Spain maintains active participation in international missions, with approximately 4,000 personnel deployed in 2026 across operations in Lebanon, the Indian Ocean, and NATO’s eastern flank in Eastern Europe.
The Spanish Armed Forces (Fuerzas Armadas) are organized into the Army, the Navy, and the Air and Space Force. Specialized branches include the Military Emergencies Unit (UME), which manages domestic disaster response, and the Royal Guard. The Civil Guard (Guardia Civil) serves as a paramilitary force under the Ministry of Defense during national emergencies or overseas deployments.
Personnel Active military personnel number approximately 122,000, with an additional 80,000 members in the Civil Guard. A recruitment plan initiated in 2025 aims to increase the professional force by several thousand personnel over the next decade to meet expanded cyber, space, and international commitments.
Army (Ejército de Tierra) The Army operates Leopard 2E main battle tanks and Pizarro infantry fighting vehicles. It is currently undergoing a structural transition focused on the "Force 2035" concept, which introduces the Dragon 8x8 Wheeled Combat Vehicle (VCR) as the primary platform for medium brigades. Artillery capabilities include M109A5E self-propelled howitzers and towed 155mm systems.
Navy (Armada) The fleet's flagship is the Juan Carlos I, a multi-purpose amphibious assault ship and aircraft carrier. Surface combatants include F-100 Álvaro de Bazán-class frigates equipped with the Aegis Combat System. Submarine capabilities are provided by the S-80 Plus Isaac Peral-class, featuring air-independent propulsion (AIP). The Marine Infantry (Infantería de Marina) operates as a specialized naval landing force.
Air and Space Force (Ejército del Aire y del Espacio) The combat fleet consists of Eurofighter Typhoon and EF-18 Hornet fighters. Strategic transport is provided by the A400M Atlas. In 2025, the branch increased its focus on space situational awareness and satellite operations. Specialized units include the Special Air Warfare Squadron (EZAPAC).
The Spanish defense sector is highly integrated with European and transatlantic programs. Major domestic manufacturers include:
Navantia: A state-owned shipbuilder producing the F-100 and F-110 frigates and S-80 submarines. It is a major exporter, providing naval designs and vessels to Australia, Saudi Arabia, and Norway.
Indra: A primary contractor for electronics, radar, and cybersecurity. Indra is the national industrial lead for the Future Combat Air System (FCAS) and recently established a joint venture with the UAE-based EDGE Group in 2026 to produce loitering munitions in León.
Santa Bárbara Sistemas: A subsidiary of General Dynamics Land Systems that manufactures the Pizarro and Dragon 8x8 vehicles.
Airbus: Spain hosts the final assembly line for the A400M transport aircraft in Seville and produces components for the Eurofighter Typhoon.
Spanish defense spending reached approximately 2% of GDP in 2025, fulfilling a long-term NATO commitment. This budgetary shift supports a series of large-scale procurement and modernization programs scheduled through 2030.
Current procurement priorities include:
FCAS/NGWS: Collaboration with France and Germany to develop a sixth-generation fighter system.
Project Halcón: The acquisition of additional Eurofighter Typhoons to replace the aging EF-18 fleet.
Artillery Modernization: A program launched in 2025 to procure 214 new wheeled and tracked self-propelled howitzers.
Tracked Support Vehicle (VAC): Development of a multi-purpose platform to replace the M113 fleet.
Digital transformation is a central pillar of recent strategy, including the "Digital Shield" initiative. This program allocates funding for encrypted telecommunications, artificial intelligence, and quantum computing to enhance military cybersecurity and electronic warfare capabilities. Environmental factors also influence force structure, with increased investment in dual-use equipment for the UME to combat climate-related emergencies such as wildfires and flooding.
Croatia signed with Hanwha on September 8, 2026 for 18 K239 Chunmoo rocket launchers, days after Spain ordered 128 K9 Thunder howitzers, as GlobalMilitary.net inventory data shows armies outside South Korea with more Korean armored vehicles on order than in service.
Spain's Council of Ministers approved up to €5.4 billion ($6.3 billion) on August 25 for a joint Airbus A330 MRTT buy with Poland under the EU's SAFE loan scheme, covering at least seven tankers — four of them Poland's first, due by 2030.
India's Defence Ministry told Parliament on 7 August 2026 that it has begun concerted efforts to join the French-led Future Combat Air System, two months after Germany walked away from the Franco-German fighter.
France's civil security chief said an Airbus A400M fitted with a firefighting kit will fly its first operational wildfire mission within 10 to 15 days, as fires have already burned twice the area recorded by this point last year.