Military branches:
Ministry of Defense and Aviation Forces: Royal Saudi Land Forces, Royal Saudi Naval Forces (includes Marine Forces and Special Forces), Royal Saudi Air Force (Al-Quwwat al-Jawwiya al-Malakiya as-Sa'udiya), Royal Saudi Air Defense Forces, Royal Saudi Strategic Rocket Forces, Saudi Arabian National Guard (SANG)
Military service age and obligation:
17 is the legal minimum age for voluntary military service; no conscription (2012)
Manpower available for military service:
males age 16-49:
8,644,522
females age 16-49:
6,601,985 (2010 est.)
Manpower fit for military service:
males age 16-49:
7,365,624
females age 16-49:
5,677,819 (2010 est.)
Manpower reaching militarily significant age annually:
male:
261,105
female:
244,763 (2010 est.)
Military expenditures:
7.98% of GDP (2012)
country comparison to the world: 3
7.25% of GDP (2011)
7.98% of GDP (2010)
[see also: Military expenditures country ranks ]