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
females age 16-49: 26,478,466 (2010 est.)
Manpower fit for military service:
males age 16-49: 22,564,075
females age 16-49: 21,720,375 (2010 est.)