Military service age and obligation:

21-45 years of age for compulsory military service; conscript service obligation - 9 to 12 months; 17-45 years of age for voluntary service; an increasing percentage of the ranks are "long-service" volunteer professionals; women were allowed to serve in the armed forces beginning in early 1980s when the Brazilian Army became the first army in South America to accept women into career ranks; women serve in Navy and Air Force only in Women's Reserve Corps (2001)

Manpower available for military service:

males age 16-49: 52,449,957 females age 16-49: 52,375,921 (2008 est.)

Manpower fit for military service:

males age 16-49: 39,263,710 females age 16-49: 44,109,056 (2008 est.)

Manpower reaching militarily significant age annually:

male: 1,666,791 female: 1,608,363 (2008 est.)

Military expenditures:

2.6% of GDP (2006 est.)