Military expenditures:
3.97% of GDP (2014) 4.08% of GDP (2013) 4.57% of GDP (2012) 4.93% of GDP (2011)
country comparison to the world: 16
[see also: Military expenditures country ranks ]

Military branches:
Land Forces, Naval and Coastal Defense Forces (includes Marines), Air and Air Defense Force (al-Quwwat al-Jawwiya al-Yemeniya), Border Guards, Strategic Reserve Forces (2013)

Military service age and obligation:
18 is the legal minimum age for voluntary military service; no conscription; 2-year service obligation (2012)

Maritime threats:
the International Maritime Bureau reports offshore waters in the Gulf of Aden are high risk for piracy; numerous vessels, including commercial shipping and pleasure craft, have been attacked and hijacked both at anchor and while underway; crew, passengers, and cargo are held for ransom; the presence of several naval task forces in the Gulf of Aden and additional anti-piracy measures on the part of ship operators reduced the incidence of piracy in that body of water; one attack was reported in 2016 and one reported during the first half of 2017

Military - note: