Military branches:

National Armed Forces (Fuerza Armada Nacionale, FAN): Ground Forces or Army (Fuerzas Terrestres or Ejercito), Naval Forces (Fuerzas Navales or Armada; includes Marines, Coast Guard), Air Force (Fuerzas Aereas or Aviacion), Armed Forces of Cooperation or National Guard (Fuerzas Armadas de Cooperacion or Guardia Nacional)

Military service age and obligation:

18-30 years of age for compulsory and voluntary military service; conscript service obligation - 30 months; all citizens of military service age (18-50 years old) are obligated to register for military service (2007)

Manpower available for military service:

males age 16-49: 6,647,124
females age 16-49: 6,801,133 (2008 est.)

Manpower fit for military service:

males age 16-49: 5,280,974
females age 16-49: 5,768,814 (2008 est.)

Manpower reaching militarily significant age annually:

males age 16-49: 275,323
females age 16-49: 274,106 (2008 est.)

Military expenditures - percent of GDP:

1.2% (2005 est.)