Retirement from the Roman army was not a matter of age, it was a matter of service. When a man's enlistment time was up he could either reenlist or retire. There was no actual age limit for reenlistment either. There is a record of a centurion who had retired, missed the army so much that he reenlisted and was still serving at the age of 80!
You may not be able to join the regular Indian Army, but you can join the territorial army wing of the Indian Army
The minimum age to join the women's Land Army was 17.
17
A British Civilian can join the army at aged 16 years old. But he/she must have left school first
You had to enlist. If you were a Roman citizen between the ages of 18 and 25 and in good mental and physical health, you were in. If you were not a citizen and wanted to join, you would be in the auxilia, with the benefit or Roman citizenship when your service was over.
You may not be able to join the regular Indian Army, but you can join the territorial army wing of the Indian Army
The minimum age to join the women's Land Army was 17.
18.
13
17
65 I think. After that you could join the Home Guard.
A British Civilian can join the army at aged 16 years old. But he/she must have left school first
15 years old
You must be at least 17 years old to join the German army as a soldier. However, you cannot be deployed for international missions until you are at least 18 years old.
20
You had to enlist. If you were a Roman citizen between the ages of 18 and 25 and in good mental and physical health, you were in. If you were not a citizen and wanted to join, you would be in the auxilia, with the benefit or Roman citizenship when your service was over.
Jasper told the recruiters he was 17 years old in order to join the Confederate Army in "Twilight."