Military branches:

Army (includes Republican Guard), Navy (includes Marines), Yemen Air Force (Al Quwwat al Jawwiya al Jamahiriya al Yemeniya; includes Air Defense Force) (2008)

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: 5,080,038
females age 16-49: 4,852,555 (2008 est.)

Manpower fit for military service:

males age 16-49: 3,585,947
females age 16-49: 3,619,195 (2008 est.)

Manpower reaching militarily significant age annually:

males age 16-49: 268,468
females age 16-49: 258,196 (2008 est.)

Military expenditures - percent of GDP:

6.6% (2006)

Military - note:

a Coast Guard was established in 2002