Military branches:
Sultan's Armed Forces (SAF): Royal Army of Oman, Royal Navy of Oman, Royal Air Force of Oman (al-Quwwat al-Jawwiya al-Sultanat) (2009)

Military service age and obligation:
18-30 years of age for voluntary military service; no conscription (2008)

Manpower available for military service:
males age 16-49: 802,455
females age 16-49: 626,841 (2008 est.)

Manpower fit for military service:
males age 16-49: 675,454
females age 16-49: 563,890 (2009 est.)

Manpower reaching militarily significant age annually:
male: 35,647
female: 34,407 (2009 est.)

Military expenditures:
11.4% of GDP (2005 est.)