| Military | United States |
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Military branches:
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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 (2009) |
Military service age and obligation:
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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) (2008) |
Manpower available for military service:
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males age 16-49: 72,715,332
females age 16-49: 71,638,785 (2008 est.) |
Manpower fit for military service:
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males age 16-49: 59,764,677
females age 16-49: 59,437,663 (2009 est.) |
Manpower reaching military service age annually:
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males: 2,196,124
females: 2,085,085 (2009 est.) |
Military expenditures - percent of GDP:
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4.06% of GDP (2005 est.) |
Military - note:
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void |
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