18-35 years of age for cumpulsory military service; service obligation 18 months or 12 months for university graduates; 17 years of age for voluntary service; 17 year olds are considered to be on active service at cadet military schools.
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.
