Military branches:
Japanese Ministry of Defense (MOD): Ground Self-Defense Force (Rikujou Jietai, GSDF), Maritime Self-Defense Force (Kaijou Jietai, MSDF), Air Self-Defense Force (Koku Jieitai, ASDF) (2009)
Military service age and obligation:
18 years of age for voluntary military service (2001)
Manpower available for military service:
males age 16-49: 27,461,338
[see also: Manpower available for military service - males age 16-49 country ranks ]
females age 16-49:
26,478,466 (2010 est.)
[see also: Manpower available for military service - females age 16-49 country ranks ]
Manpower fit for military service:
males age 16-49: 22,564,075
[see also: Manpower fit for military service - males age 16-49 country ranks ]
females age 16-49:
21,720,375 (2010 est.)
[see also: Manpower fit for military service - females age 16-49 country ranks ]
Manpower reaching military service age annually:
male: 626,115
[see also: Manpower reaching military service age annually - male country ranks ]
female:
593,905 (2010 est.)
[see also: Manpower reaching military service age annually - female country ranks ]
Military expenditures:
0.8% of GDP (2006)
country comparison to the world: 148
[see also: Military expenditures country ranks ]