| Military branches: | Singapore Armed Forces: Army, Navy, Republic of Singapore Air Force (includes Air Defense) (2006) |
| Military service age and obligation: | 18 years of age for compulsory military service; 16 years of age for volunteers; 2-year conscript service obligation, with a reserve obligation to age 40 (enlisted) or 50 (officers) (2006) |
| Manpower available for military service: | males age 18-49: 1,215,568 (2005 est.) |
| Manpower fit for military service: | males age 18-49: 982,368 (2005 est.) |
| Military expenditures - percent of GDP: | 4.9% (2005 est.) |
