Mmm... within a given clan you're going to have one or two 'core' families and a fairly random number of associated ones, and most of the people in those associated lines actually won't be ninja - they'll be mixed up in the clan's outside businesses and civilian properties. Without a strong obligating tradition like Sasuke and Hinata grew up with, there are quite a few people who look at the shinobi lifestyle and casualty rates and conclude that they are not going to mix their kids up in that. Among other things, this system keeps the bloodline intact if, say, a single battle wipes out most of the main family at once.
So, overall, I'd say that a major clan could probably field between ten and fifteen active ninja, and a minor one anywhere between one and nine. Ten or so of those, then a crapshoot dividing the rest of the totals between minor clans and first generation ninja.
I'd also point out that another reason the Haruno might be moderates is that their bloodline gives them a constant and consistent reason to study and understand psychology, for many of the same reasons that Aburame will tend to know a lot about entymology. A healthy childhood, in the clan leadership's minds, would go a long way towards creating successful shinobi - if for no other reason than what happens when you push a kid too hard, like Hinata was.
Ja, -n
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"V, did you do something foolish?"
"Yes, and it was glorious."
So, overall, I'd say that a major clan could probably field between ten and fifteen active ninja, and a minor one anywhere between one and nine. Ten or so of those, then a crapshoot dividing the rest of the totals between minor clans and first generation ninja.
I'd also point out that another reason the Haruno might be moderates is that their bloodline gives them a constant and consistent reason to study and understand psychology, for many of the same reasons that Aburame will tend to know a lot about entymology. A healthy childhood, in the clan leadership's minds, would go a long way towards creating successful shinobi - if for no other reason than what happens when you push a kid too hard, like Hinata was.
Ja, -n
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"V, did you do something foolish?"
"Yes, and it was glorious."