18-27 year of age for voluntary military service; conscription abolished January 2005; women may serve in any military branch; 10-month service obligation, with a reserve obligation to age 45 (Army and Air Force) or 39 (Navy) (2006)

Manpower available for military service:

males age 16-49: 13,705,846

females age 16-49: 12,929,946 (2010 est.)

Manpower fit for military service:

males age 16-49: 11,092,984

females age 16-49: 10,452,910 (2010 est.)

Manpower reaching militarily significant age annually:

male: 280,255

female: 263,336 (2010 est.)