Registration requirement at age 17, the legal minimum age for voluntary military service; 18 is the legal minimum age for compulsory military service (6 months), or optionally, alternative civil/community service (9 months); males 18 to 50 years old in the militia or inactive reserve are subject to compulsory service; in a January 2012 referendum, a majority of Austrians voted in favor of retaining the system of compulsory military service (with the option of alternative/non-military service) instead of switching to a professional army system.
18-44 years of age for male compulsory military service (55 years of age if you are an officer); 16 years of age in wartime; 17 years of age for male volunteers; 18 years of age for women. 19-month service with 12-month service obligation. Around 50% of conscripts are enrolled in the Home Guard, for a 7-month period (spread out over many years).
