Military branches:

Botswana Defense Force (includes an air wing) (2008)

Military service age and obligation:

18 is the apparent age of voluntary military service; the official qualifications for determining minimum age are unknown (2001)

Manpower available for military service:

males age 16-49: 487,853
females age 16-49: 464,278 (2008 est.)

Manpower fit for military service:

males age 16-49: 290,093
females age 16-49: 257,700 (2008 est.)

Manpower reaching militarily significant age annually:

males age 16-49: 23,007
females age 16-49: 22,551 (2008 est.)

Military expenditures - percent of GDP:

3.3% (2006)