| Military | Japan |
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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 (Koukuu Jieitai, ASDF) (2011) |
Military service age and obligation:
 | 18 years of age for voluntary military service; Maritime Self-Defense Force mandatory retirement at age 54 (2011) |
Manpower available for military service:
 | males age 16-49: 27,301,443 females age 16-49: 26,307,003 (2010 est.) |
Manpower fit for military service:
 | males age 16-49: 22,390,431 females age 16-49: 21,540,322 (2010 est.) |
Manpower reaching military service age annually:
 | males: 623,365 females: 591,253 (2010 est.) |
Military expenditures - percent of GDP:
 | 0.8% of GDP (2006) |
Military - note:
 | void |
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