Military branches:
Army, Navy (includes Marine Corps), Air Force, Coast Guard Administration, Armed Forces Reserve Command, Combined Service Forces Command, Armed Forces Police Command
Military service age and obligation:
18-35 years of age for compulsory and voluntary military service; service obligation is 2 years; women may enlist; women in Air Force service are restricted to noncombat roles; reserve obligation to age 30 (Army); the Ministry of Defense is in the process of implementing a voluntary enlistment system over the period 2010-2015, although nonvolunteers will still be required to perform alternative service or go through 4 months of military training (2012)
Manpower available for military service:
males age 16-49: 6,183,567
[see also: Manpower available for military service - male country ranks ]
females age 16-49:
6,006,676 (2010 est.)
Manpower fit for military service:
males age 16-49: 5,074,173
[see also: Manpower fit for military service - male country ranks ]
females age 16-49:
4,951,088 (2010 est.)
Manpower reaching militarily significant age annually:
male: 166,190
[see also: Manpower reaching militarily significant age annually - male country ranks ]
female:
155,306 (2010 est.)