Military branches:
Sudanese Armed Forces (SAF): Land Forces, Navy, Sudanese Air Force (Sikakh al-Jawwiya as-Sudaniya), Popular Defense Forces; Sudan People's Liberation Army (SPLA): Land Forces (2009)

Military service age and obligation:
18-33 years of age for compulsory and voluntary military service; 12-24 month service obligation (2009)

Manpower available for military service:
males age 16-49: 9,639,923
females age 16-49: 9,321,106 (2008 est.)

Manpower fit for military service:
males age 16-49: 5,836,971
females age 16-49: 5,942,043 (2009 est.)

Manpower reaching militarily significant age annually:
male: 498,376
female: 479,005 (2009 est.)

Military expenditures:
3% of GDP (2005 est.)