Military branches:
Secretariat of National Defense (Secretaria de Defensa Nacional, Sedena): Army (Ejercito, includes Mexican Air Force (Fuerza Aerea Mexicana, FAM)); Secretariat of the Navy (Secretaria de Marina, Semar): Mexican Navy (Armada de Mexico, ARM, includes Naval Air Force (FAN), naval infantry) (2009)
Military service age and obligation:
18 years of age for compulsory military service, conscript service obligation - 12 months; 16 years of age with consent for voluntary enlistment; conscripts serve only in the Army; Navy and Air Force service is all voluntary; women are eligible for voluntary military service (2007)
Manpower available for military service:
males age 16-49: 27,774,688
females age 16-49:
29,376,791 (2008 est.)
Manpower fit for military service:
males age 16-49: 22,541,654
females age 16-49:
25,149,027 (2009 est.)
Manpower reaching militarily significant age annually:
male: 1,109,981
female:
1,072,094 (2009 est.)
Military expenditures:
0.5% of GDP (2006 est.)
