Military branches:
Armed Forces: Chadian National Army (Armee Nationale du Tchad, ANT), Chadian Air Force (Force Aerienne Tchadienne, FAT), Gendarmerie (2008)

Military service age and obligation:
20 years of age for conscripts, with 3-year service obligation; 18 years of age for volunteers; no minimum age restriction for volunteers with consent from a guardian; women are subject to 1 year of compulsory military or civic service at age of 21 (2004)

Manpower available for military service:
males age 16-49: 1,906,545
females age 16-49: 2,258,758 (2008 est.)

Manpower fit for military service:
males age 16-49: 1,103,006
females age 16-49: 1,315,620 (2009 est.)

Manpower reaching militarily significant age annually:
male: 121,080
female: 121,585 (2009 est.)

Military expenditures:
4.2% of GDP (2006)