Military branches:
Republic of Korea Army, Navy (includes Marine Corps), Air Force (2011)
Military service age and obligation:
20-30 years of age for compulsory military service, with middle school education required; conscript service obligation - 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, admitted to 7 service branches, including infantry, but excluded from artillery, armor, anti-air, and chaplaincy corps; HIV-positive individuals are exempt from military service (2010)
Manpower available for military service:
males age 16-49: 13,185,794
[see also: Manpower available for military service - male country ranks ]
females age 16-49:
12,423,496 (2010 est.)
Manpower fit for military service:
males age 16-49: 10,864,566
[see also: Manpower fit for military service - male country ranks ]
females age 16-49:
10,168,709 (2010 est.)
Manpower reaching militarily significant age annually:
male: 365,760
[see also: Manpower reaching militarily significant age annually - male country ranks ]
female:
321,225 (2010 est.)
Military expenditures:
2.7% of GDP (2006)
country comparison to the world: 51
[see also: Military expenditures country ranks ]