Quote Originally Posted by Dead_Jester View Post
The fact that the late teens and early adulthood period is also the one where young men are most likely to engage in warfare, all the while having had little training or monetary means to equip themselves properly, probably also contributed somewhat to the skewed balance in that part of life.
Yes agree.

It's not something I've ever looked into but I remember reading that, all else being equal, 25 year olds make significantly superior soldiers to 18 year olds, at least partly because they make better decisions under pressure.