Indicator	Value
Military expenditure (% GDP)	2.56 %SIPRI via World Bank WDI [2024]
Military expenditure	47,600,000,000 US$SIPRI via World Bank WDI [2024]
Armed forces personnel	569,000 peopleWorld Bank WDI [2020]
Arms imports	1,010,000,000 US$SIPRI via World Bank WDI [2024]
Arms exports	964,000,000 US$SIPRI via World Bank WDI [2024]
Military & security forces	Armed Forces of the Republic of Korea: Republic of Korea Army (ROKA), Republic of Korea Navy (ROKN, includes Marine Corps, ROKMC), Republic of Korea Air Force (ROKAF)Ministry of Maritime Affairs and Fisheries: Korea Coast Guard; Ministry of Interior and Safety: Korean National Police Agency (2025)CIA World Factbook [2025] · 2026 archive
Military service age & obligation	18-29 years of age for voluntary military service for men and women; mandatory military service for all eligible men 18-35 years of age (typically served from 20-28 years of age); compulsory service obligation is 18-21 months based on the branch of service and up to 36 months for alternative service (2025); note: women, in service since 1950, are able to serve in all branches and as of 2024 more than 15,000 served in the armed forcesCIA World Factbook [2025] · 2026 archive
Arms imports (USD)	1,010,000,000 US$SIPRI via World Bank WDI [2024]
Arms exports (USD)	964,000,000 US$SIPRI via World Bank WDI [2024]
Military spending (% of GDP)	2.56 %SIPRI via World Bank WDI [2024]
Military spending (USD)	47,600,000,000 US$SIPRI via World Bank WDI [2024]