Military branches:
Sri Lanka Army, Sri Lanka Navy, Sri Lanka Air Force (2009)

Military service age and obligation:
18 years of age for voluntary military service; 5-year service obligation (2007)

Manpower available for military service:
males age 16-49: 5,458,720
females age 16-49: 5,594,006 (2008 est.)

Manpower fit for military service:
males age 16-49: 4,498,667
females age 16-49: 4,693,895 (2009 est.)

Manpower reaching militarily significant age annually:
male: 173,256
female: 167,645 (2009 est.)

Military expenditures:
2.6% of GDP (2006)