Military branches:
Nigerian Armed Forces: Army, Navy, Air Force (2013)
Military service age and obligation:
18 years of age for voluntary military service; no conscription (2012)
Military expenditures:
0.89% of GDP (2012)
0.98% of GDP (2011)
0.89% of GDP (2010)
country comparison to the world: 108
[see also: Military expenditures country ranks ]