Military branches:
Singapore Armed Forces: Army, Navy, Air Force (includes Air Defense) (2010)
Military service age and obligation:
18-21 years of age for male compulsory military service; 16 years of age for volunteers; 2-year conscript service obligation, with a reserve obligation to age 40 (enlisted) or age 50 (officers) (2008)
Manpower available for military service:
males age 16-49: 1,255,902 (2010 est.)
[see also: Manpower available for military service - male country ranks ]
Manpower fit for military service:
males age 16-49: 1,018,839
[see also: Manpower fit for military service - male country ranks ]
females age 16-49: 1,087,134 (2010 est.)
[see also: Manpower fit for military service - female country ranks ]
Manpower reaching militarily significant age annually:
male: 27,098
[see also: Manpower reaching militarily significant age annually - male country ranks ]
female: 25,368 (2010 est.)
[see also: Manpower reaching militarily significant age annually - female country ranks ]
Military expenditures:
4.9% of GDP (2005 est.)
country comparison to the world: 17
[see also: Military expenditures country ranks ]