Military branches:
Norwegian Army (Haeren), Royal Norwegian Navy (Kongelige Norske Sjoeforsvaret, RNoN; includes Coastal Rangers and Coast Guard (Kystvakt)), Royal Norwegian Air Force (Kongelige Norske Luftforsvaret, RNoAF), Home Guard (Heimevernet, HV) (2007)

Military service age and obligation:
18-44 years of age for male compulsory military service; 16 years of age in wartime; 17 years of age for male volunteers; 18 years of age for women; 12-month service obligation, in practice shortened to 8 to 9 months; although all males between ages of 18 and 44 are liable for service, in practice they are seldom called to duty after age 30; reserve obligation to age 35-60; 16 years of age for volunteers to the Home Guard, who serve 6-month duty tours (2009)

Manpower available for military service:
males age 16-49: 1,078,181
females age 16-49: 1,046,550 (2008 est.)

Manpower fit for military service:
males age 16-49: 888,219
females age 16-49: 863,255 (2009 est.)

Manpower reaching militarily significant age annually:
male: 31,980
female: 30,543 (2009 est.)

Military expenditures:
1.9% of GDP (2005 est.)