What is the minimum age to join the army in your nation?

[Regenburg]

18

[Lemonius]

Lemonians are able to join the military (officially) at 16; the age when many of the adolescent biological developments are complete. Few do so, however, mandatory military service begins at 19 for males, and is optional for females.

[Ricktatorship of Grimes]

6 years old, they'll throw you a rifle and tell you where to go right off the bat.

[Bolden]

21.

[Slafstopia]

If you can walk and point a gun at somebody, you can signup. And even if you don't, you'll have to when you're 20.

[Earth Mercenary Alliance]

Cadets after primary school, can join army at 16

[Densaner]

We don't have an army as such. Most of our defence force consists of drug addled 9 year olds carrying AK47's who threaten the local populace.

[Hite]

Anyone may join. Compulsory service is forbidden. The minimum age is 22.

[Claratopia]

Almost 90% of the humans serving in Claratopia's armed forces are the Viridian League, orphaned little girls who undergo psychological conditioning and growth slowing.
The Viridian League is a ceremonial personal guard which works in conjunction with the secret service to protect the empress. They also act as playmates for the immortal 10 year old. The Viridian League soldiers are "knighted" (and enter service) when they are 6 years old and serve until their 13th birthday when they are granted entrance to Claratopia's nobility.

[Ulec]

12, for humans, although few do so. Military roles are mostly restricted to controlling the battle-drones from control rooms around Ulec, and is usually described as "painfully boring" by the few people that choose the military as their Civil Service career.

[The Demon Hunter Nation]

We're very strict about our military. Unless you're severely disabled, you must join the military at the age of 21 and you must submit to at least three days of military training per week - unless you're ill, of course.

[Mahendo sat]

16. In times of war 13.

[Hoglanderna]

You must between the ages of 21 and 36 to join the military in Hoglanderna.

[The Montena Isles]

In the Montena Isles the minimum age is 18, the same as to pay taxes, drink alcohol, use drugs, drive and vote.

[Cayamopan]

18, when you become an legal adult

[Davao and Mati]

At the age of 15 you can join the Army with or without parental consent

[Parhe]

Seventeen years.

[Greater Eurasian Union]

Service is Compulsory from age 12 onwards for men -

Women must serve a single term minimum during the ages 15-20 -

Though there is no formal restriction on minimum age , it is fairly common in the union to have a military life throughout - from birth till retirement.

[Wardie land]

12

[Estenia]

In Estenia you join the Army at the age of 16 minimum and the age of 27 is the maximum.

[Hazamaeia]

17-40 years old
after 55, you must retire

[European Prussia]

Military Education

Military School
Education Level:- Secondary
Entry Requirement: 13 years old
Duration: 2 years
End Result: Military School Certification

Military University
Education Level:Tertiary (Undergraduate)
Entry Requirement: Pre-University Qualification(Cambridge A-Levels, Matriculation Programme) or Military School Certification(Military School Graduates)
Duration: 3 years
End Result: Undergraduate Degree & a Junior Officer Rank

Military University
Education Level: Tertiary(Postgraduate)
Entry Requirement: Undergraduate Degree from Military University Programme
Duration : 2 years
End Result: Postgraduate Degree & a Full Officer Rank

Training

Basic Military Training
Duration: 3 months
Entry Requirement: 16 years of age min

Advanced Military Training
Duration: 12-24 months
Entry Requirement: Completed BMT

Officer
Entry Requirement: Military University(Undergraduate & Postgraduate programme) & Completion of BMT
Duration: 5 years

[Sathera]

All Satherans must be in the Military from the ages 18-21. Many, however, choose to stay, partly due to the strength and pride associated with being in the Satheran Armed Forces and partly due to Satheran culture, which glorifies the warrior and all kinds of warfare.

[Helvagon]

Every citizen in Helvagon is required to train with a sword, but you are not allowed to join the army until you're 20

[Manchovia]

18 is the minimum to join the army, though you don't partake in combat roles until 21 without parental consent. You can join the cadet forces while still at school, though.

Different ranks have different ages of retirement.