Military branches:
Army, Navy, Air Force, Air Defense Command
Military service age and obligation:
18-30 years of age for male conscript military service; service obligation 12-36 months, followed by a 9-year reserve obligation (2008)
Manpower available for military service:
males age 16-49: 21,012,199
[see also: Manpower available for military service - male country ranks ]
females age 16-49: 20,145,021 (2010 est.)
[see also: Manpower available for military service - female country ranks ]
Manpower fit for military service:
males age 16-49: 18,060,543
[see also: Manpower fit for military service - male country ranks ]
females age 16-49: 17,244,838 (2010 est.)
[see also: Manpower fit for military service - female country ranks ]
Manpower reaching militarily significant age annually:
male: 783,405
[see also: Manpower reaching militarily significant age annually - male country ranks ]
female: 748,647 (2010 est.)
[see also: Manpower reaching militarily significant age annually - female country ranks ]
Military expenditures:
3.4% of GDP (2005 est.)
country comparison to the world: 35
[see also: Military expenditures country ranks ]