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.)