Military branches:
Army, Navy (includes Marines), Yemen Air Force (Al Quwwat al Jawwiya al Jamahiriya al Yemeniya; includes Air Defense Force), Republican Guard (2010)

Military service age and obligation:
voluntary military service program authorized in 2001; 2-year service obligation (2006)

Manpower available for military service:
males age 16-49: 5,458,642
[see also: Manpower available for military service - males age 16-49 country ranks ]
females age 16-49: 5,205,387 (2010 est.)
[see also: Manpower available for military service - females age 16-49 country ranks ]

Manpower fit for military service:
males age 16-49: 3,902,186
[see also: Manpower fit for military service - males age 16-49 country ranks ]
females age 16-49: 3,952,370 (2010 est.)
[see also: Manpower fit for military service - females age 16-49 country ranks ]

Manpower reaching military service age annually:
male: 279,283
[see also: Manpower reaching military service age annually - male country ranks ]
female: 269,824 (2010 est.)
[see also: Manpower reaching military service age annually - female country ranks ]

Military expenditures:
6.6% of GDP (2006)
country comparison to the world: 7
[see also: Military expenditures country ranks ]

Military - note:
a Coast Guard was established in 2002