| Military branches: |
Sri Lankan Army, Sri Lankan Navy, Sri Lankan Air Force (2006) |
| Military service age and obligation: |
18 years of age for voluntary military service (2001) |
| Manpower available for military service: |
males age 18-49: 4,933,217
females age 18-49: 5,153,597 (2005 est.) |
| Manpower fit for military service: |
males age 18-49: 3,789,627
females age 18-49: 4,281,043 (2005 est.) |
| Manpower reaching military service age annually: |
males age 18-49: 174,049
females age 18-49: 167,201 (2005 est.) |
| Military expenditures - percent of GDP: |
2.6% (2006) |