| Military | United States | = Fields = World Records = Dictionary = Bar graph = Distribution map = Fields History = Definitions |
Military branches:
 | United States Armed Forces: US Army, US Navy (includes Marine Corps), US Air Force, US Coast Guard; note - Coast Guard administered in peacetime by the Department of Homeland Security, but in wartime reports to the Department of the Navy (2011) |
Military service age and obligation:
 | 18 years of age (17 years of age with parental consent) for male and female voluntary service; maximum enlistment age 42 (Army), 27 (Air Force), 34 (Navy), 28 (Marines); service obligation 8 years, including 2-5 years active duty (Army), 2 years active (Navy), 4 years active (Air Force, Marines) (2010) |
Manpower available for military service:
 | males age 16-49: 73,270,043 females age 16-49: 71,941,969 (2010 est.) |
Manpower fit for military service:
 | males age 16-49: 60,620,143 females age 16-49: 59,401,941 (2010 est.) |
Manpower reaching military service age annually:
 | males: 2,161,727 females: 2,055,685 (2010 est.) |
Military expenditures - percent of GDP:
 | 4.06% of GDP (2005 est.) |
Military - note:
 | void |
| = Fields = World Records = Dictionary = Bar graph = Distribution map = Fields History = Definitions | |
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This page was last updated on 3 February, 2012 |
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