Military branches:
Islamic Republic of Iran Regular Forces (Artesh): Ground Forces, Navy, Air Force (IRIAF), Khatemolanbia Air Defense Headquarters; Islamic Revolutionary Guard Corps (Sepah-e Pasdaran-e Enqelab-e Eslami, IRGC): Ground Resistance Forces, Navy, Aerospace Force, Quds Force (special operations); Law Enforcement Forces (2011)
Military service age and obligation:
18 years of age for compulsory military service; 16 years of age for volunteers; 17 years of age for Law Enforcement Forces; 15 years of age for Basij Forces (Popular Mobilization Army); conscript military service obligation is 18 months; women exempt from military service (2012)
Manpower available for military service:
males age 16-49:
23,619,215
females age 16-49:
22,628,341 (2010 est.)
Manpower fit for military service:
males age 16-49:
20,149,222
females age 16-49:
19,417,275 (2010 est.)
Manpower reaching militarily significant age annually:
male:
715,111
female:
677,372 (2010 est.)