Military branches:
Singapore Armed Forces: Army, Navy, Air Force (includes Air Defense) (2013)
Military service age and obligation:
18-21 years of age for male compulsory military service; 16 1/2 years of age for volunteers; 2-year conscript service obligation, with a reserve obligation to age 40 (enlisted) or age 50 (officers) (2012)
Manpower available for military service:
males age 16-49:
1,255,902 (2010 est.)
Manpower fit for military service:
males age 16-49:
1,018,839
females age 16-49:
1,087,134 (2010 est.)
Manpower reaching militarily significant age annually:
male:
27,098
female:
25,368 (2010 est.)
Military expenditures:
3.52% of GDP (2012)
country comparison to the world: 15
3.47% of GDP (2011)
3.52% of GDP (2010)
[see also: Military expenditures country ranks ]