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: 30,646,516 (1999 est.)

Military manpower—fit for military service:
males age 15-49: 26,438,961 (1999 est.)

Military manpower—reaching military age annually:
males: 784,658 (1999 est.)

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

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