| People | United States |
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Military branches:
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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 (2008) |
Military service age and obligation:
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18 years of age; 17 years of age with written parental consent (2006) |
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: 59,413,358
females age 16-49: 59,187,183 (2008 est.) |
Manpower reaching military service age annually:
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males age 18-49: 2,143,873
females age 18-49: 2,036,201 (2005 est.) |
Military expenditures - percent of GDP:
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4.06% (2005 est.) |
Military - note:
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void |
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