Rank #68 · Europe
Lithuania is the largest Baltic defense spender and among the most hawkish NATO members, committing to 5% of GDP by 2030 — a target unmatched in the alliance. The $1.2 billion Patriot air defense deal finalized in 2024 and the hosting of Germany's Brigade Litauen (due at full strength 2027) represent transformative capability additions. Lithuania's Suwalki Gap position — the 104-km land corridor between Russia's Kaliningrad exclave and Belarus — makes it NATO's single most strategically exposed terrain.
Lithuania's 2025 defense budget is approximately €1.7 billion (~$1.8 billion), or 3.5% of GDP. Vilnius has formally committed to reaching 5% of GDP by 2030, the most ambitious defense spending commitment in the alliance. The budget surge encompasses three overlapping priorities: Patriot long-range air defense acquisition (~$1.2 billion total deal signed 2024), infrastructure investment to host the German Brigade Litauen at Rūdninkai, and ammunition stockpiling. Lithuania also contributes to the trilateral Baltic IRIS-T SLM purchase and has ordered CAESAR howitzers. Conscription — reinstated 2015 — generates a steady pipeline of trained reservists supporting the reserve brigade structure. EU defense funds (EDIRPA, ASAP) partially offset ammunition procurement costs.
The Lithuanian Armed Forces field approximately 18,900 active personnel, organized into the Grand Duchess Birutė Uhlan Brigade, Mechanized Infantry Brigade Iron Wolf, and the special forces. A conscription cycle of 9 months annually produces 4,000+ trained reservists per year, building toward a war-strength reserve army of 60,000+. The Air Force operates C-27J Spartan transports and L-39ZA jets; Lithuania relies on NATO Baltic Air Policing for fighter defense (currently Poland and Czechia providing QRA). The German Brigade Litauen — NATO's first permanent combat brigade stationed in a forward country since the Cold War — will reach ~5,000 troops by 2027 at Rūdninkai Base. The Patriot battery (MIM-104F PAC-3 MSE) provides the first organic long-range air defense.
Lithuania has a small but growing defense industrial ecosystem. EXPLA (explosives/munitions), Kongsberg's Lithuanian subsidiary, and several IT and cybersecurity companies contribute. The country lacks domestic production of major platforms and imports all significant systems. Key supplier relationships: United States (Patriot, CAESAR, HIMARS ammunition), Germany (Boxer IFVs being evaluated), France (CAESAR howitzers), and Norway (IRIS-T SLM via trilateral Baltic deal). Lithuania participates in EU EDF and EDIRPA frameworks to leverage co-procurement. The National Cyber Security Centre (NKSC) is a growing cyber defense exporter of doctrine and technical expertise. Defense-sector employment is expanding as the budget scales.
Lithuania's strategic exposure is defined by the Suwalki Gap — the narrow land corridor separating Kaliningrad (Russia) from Belarus — which, if severed, would cut the Baltic states from NATO's main land body. This 104-km corridor runs through Polish-Lithuanian territory and is the top prioritization scenario for NATO's Regional Plans for the Northeast. Lithuania has contributed military aid to Ukraine, including Howitzers, anti-aircraft systems, and non-lethal equipment. Russian and Belarusian forces conduct regular exercises targeting scenarios that would threaten the corridor. Vilnius also hosts NATO's Energy Security Centre of Excellence and has developed Baltic energy grid independence (switching from the Russian-linked BRELL ring to the European grid, completed February 2025).
In August 2024 Lithuania finalized a $1.2 billion Patriot Air and Missile Defense System acquisition from the US via FMS — the largest procurement in Lithuanian history. Germany's Brigade Litauen reached initial operating capability in 2025, with the first German combat troops permanently stationed at Rūdninkai; full strength of ~5,000 is expected by 2027. Lithuania joined Estonia and Latvia in the trilateral IRIS-T SLM deal in 2024. In February 2025 the Baltic states completed their energy grid decoupling from the Russian-controlled BRELL power ring, connecting to the European synchronous grid — a major strategic vulnerability reduction. Lithuania's parliament approved the 5% GDP target in January 2025.
Approximately $1.8 billion in 2025, or 3.5% of GDP. Lithuania is committed to reaching 5% of GDP by 2030 — the highest NATO target. Spending has roughly quadrupled in real terms since 2014 driven by the Russian threat, Patriot acquisition, and German brigade hosting.
Brigade Litauen is Germany's first permanently stationed overseas combat brigade since World War II, based at Rūdninkai Military Base in Lithuania. Announced in 2022 and reaching initial operating capability in 2025, it will field approximately 5,000 Bundeswehr troops by 2027, forming the core of NATO's forward defensive posture on the Baltic northeastern flank.
A 104-km land corridor on the Polish-Lithuanian border between Russia's Kaliningrad exclave to the west and Belarus to the east. If enemy forces seized this corridor, the three Baltic states would be cut from NATO by land. It is NATO's highest-priority defensive concern in the northeast and anchors the alliance's Regional Plans.
Yes. Lithuania finalized a $1.2 billion Patriot (PAC-3 MSE) air defense acquisition via US Foreign Military Sales in August 2024 — the largest defense purchase in Lithuanian history. The system provides long-range anti-aircraft and ballistic missile defense, addressing the most critical capability gap in Lithuanian force structure.