Military branches:
Secretariat of National Defense (Secretaria de Defensa Nacional, Sedena): Army (Ejercito), 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), Mexican Naval Infantry Corps (Cuerpo de Infanteria de Marina, Mexmar or CIM)) (2013)

Military service age and obligation:
18 years of age for compulsory military service, conscript service obligation is 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; cadets enrolled in military schools from the age of 15 are considered members of the armed forces (2012)

Military expenditures:
0.59% of GDP (2012) 0.56% of GDP (2011) 0.59% of GDP (2010)
country comparison to the world: 124
[see also: Military expenditures country ranks ]