18-45 years of age for compulsory military service; conscript service obligation is 10-12 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.
18-25 years of age for male compulsory and voluntary military service; females may volunteer for active duty military service; conscription typically takes place twice annually and service obligation is 18 months (Army, Air Defense), 2 years (Navy and Air Force); 18-45 years of age (male) or 18-40 years of age (female) for Militia Force or Self Defense Force service; males may enroll in military schools at age 17.
