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.
18-28 years of age for male and female voluntary military service; conscription phased out in 2009-12; service obligation shortened from 12 to 9 months in 2005; women only allowed to serve as officers and noncommissioned officers.
