Korean People's Army (KPA): KPA Ground Forces, KPA Navy, KPA Air Force (includes air defense), KPA Strategic Forces (missile forces); Security Guard Command (protects the Kim family, other senior leadership figures, and government facilities); Ministry of Public Security: Border Guards, civil security forces (2021)
Armed Forces of the Republic of Korea: Republic of Korea Army (ROKA), Navy (ROKN, includes Marine Corps, ROKMC), Air Force (ROKAF); Military reserves include Mobilization Reserve Forces (First Combat Forces) and Homeland Defense Forces (Regional Combat Forces); Ministry of Maritime Affairs and Fisheries: Korea Coast Guard (2021)
Military service age and obligation
17 years of age for compulsory male and female military service; service obligation 10 years for men, to age 23 for women (reportedly reduced in 2021 to 8 years for men and 5 years for women) (2021)
18-28 years of age for compulsory military service; minimum conscript service obligation varies by service- 21 months (Army, Marines), 23 months (Navy), 24 months (Air Force); 18-26 years of age for voluntary military service; women, in service since 1950, are able to serve in all branches, including as officers (2020)
note: South Korea intends to reduce the length of military service to 18 - 22 months by 2022
Military expenditures - percent of GDP
in 2019, it was assessed that North Korea spent between 22% and 24% of GDP (between US$3.7 billion and US$4.2bn in 2017 dollars) annually on the military between 2007 and 2017
2.7% of GDP (2020 est.)
2.7% of GDP (2019)
2.6% of GDP (2018)
2.6% of GDP (2017)
2.6% of GDP (2016)
Military and security service personnel strengths
assessments of the size of the Korean People's Army (KPA) vary widely; approximately 1.1-1.2 million active troops (950,000-1.0 million Army; 110-120,000 Air Force; 60,000 Navy; 10,000 Strategic Missile Forces); est. 200,000 Public Security forces (2020)
the Republic of Korea Armed Forces have approximately 555,000 active duty personnel (420,000 Army; 70,000 Navy/Marines; 65,000 Air Force) (2020)
Military equipment inventories and acquisitions
the KPA is equipped mostly with older weapon systems originally acquired from the former Soviet Union, Russia, and China; North Korea manufactures copies and provides some upgrades to these weapon systems; it also has a robust domestic ballistic missile program based largely on missiles acquired from the former Soviet Union; since 2010, there were no publicly-reported transfers of weapons to North Korea; between 2000 and 2010, Russia was the only recorded provider of arms (2020)
the Republic of Korea Armed Forces are equipped with a mix of domestically-produced and imported weapons systems; domestic production includes armored fighting vehicles, artillery, aircraft, and naval ships; the top foreign weapons supplier is the US and some domestically-produced systems are built under US license; Germany is the second largest supplier of armaments since 2010 (2020)
