Military branches:
Botswana Defense Force: Ground Forces (includes Air Arm) (2009)

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: 341,190
females age 16-49: 315,588 (2009 est.)

Manpower reaching militarily significant age annually:
male: 23,420
female: 22,904 (2009 est.)

Military expenditures:
3.3% of GDP (2006)