Military branches:
Tonga Defense Services (TDS): Land Force (Royal Guard), Naval Force (includes Royal Marines, Air Wing) (2009)

Military service age and obligation:
18 years of age (est.); no conscription (2008)

Manpower available for military service:
males age 16-49: 32,053
females age 16-49: 30,981 (2008 est.)

Manpower fit for military service:
males age 16-49: 26,471
females age 16-49: 27,715 (2009 est.)

Manpower reaching militarily significant age annually:
male: 1,458
female: 1,403 (2009 est.)

Military expenditures:
0.9% of GDP (2006 est.)