In Sweden, the Swedish military is responsible for deterrence and the defense of the country and its territories against armed attack, supporting Sweden’s national security interests, providing societal support, such as humanitarian aid, and contributing to international peacekeeping and peacemaking operations; the military has a relatively small active duty force that is designed to be rapidly mobilized in a crisis with a trained reserve and a Home Guard

Sweden maintained a policy of military non-alignment for over 200 years before applying for NATO membership in May 2022 following Russia’s full-scale invasion of Ukraine; it became a NATO member in March 2024; prior to membership, Stockholm joined NATO’s Partnership for Peace program in 1994 and contributed to NATO-led missions, including those in Afghanistan, Iraq, and Kosovo; the military cooperates closely with the forces of other Nordic countries through the Nordic Defense Cooperation (NORDEFCO; established 2009), which consists of Denmark, Finland, Iceland, Norway, and Sweden; Sweden is a signatory of the EU’s Common Security and Defense Policy (CSDP) and contributes to CSDP missions and operations, including EU battlegroups; it also participates in UN-led missions; Sweden has close bilateral security relations with some individual NATO member states, particularly Finland, Germany, Norway, the UK, and the US (2025)