Military branches: Army, Royal Navy (includes Royal Marines), Royal Air Force

Military manpower—availability:
males age 15-49: 14,458,646 (1999 est.)

Military manpower—fit for military service:
males age 15-49: 12,053,320 (1999 est.)

Military expenditures—dollar figure: $36.7 billion (FY98/99)

Military expenditures—percent of GDP: 2.6% (FY98/99)