Military branches: Japan Ground Self-Defense Force (Army), Japan Maritime Self-Defense Force (Navy), Japan Air Self-Defense Force (Air Force)

Military manpower - military age: 18 years of age

Military manpower - availability:
males age 15-49: 30,259,247 (2000 est.)

Military manpower - fit for military service:
males age 15-49: 26,139,516 (2000 est.)

Military manpower - reaching military age annually:
males: 771,452 (2000 est.)

Military expenditures - dollar figure: $42.9 billion (FY98/99)

Military expenditures - percent of GDP: 0.9% (FY98/99)