[quote name='willpowered' timestamp='1349234810' post='4986262']
Well, in a real-life situation, it's not like everyone drops dead the second they turn 60 or 70.
If we talk real-life, they also won't stay in the army till' they're 60 or 70. Maybe some of them stay as instructors and teachers, but most will be either dead, invalid or back home at those ages.
@codeman: Since you've said you're striving for as much authenticity as possible and and liked the idea of dying and recruiting, I've thought about this one, taking it a little further:
Generally speaking, you have an army-pool that has been discussed before and a population-pool. Of course you're not able recruit more soldiers than the total number of people with the required age (and evtl. gender) in your population. But what effect does it have if you recruit every male from 16 to 50 into your army? The birthrate will drop drastically since soldiers, at least in the case of war, but less significantly even in times of peace, don't tend to start a family. Therefore the player might be able to whip up a gigantic army and take over quite a bit of land, but in the year's that follow his working population as well as the size of his army will shrink rapidly, making him an easy target.
It's just another layer of strategy, but I think it could be quite interesting since some players might consider this and manage their army sustainably while others could take a gambit, planning to rely on the colonies workforce after they have taken them over.
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Good points.