It usually is these days, but they're still selecting in favor of it (along with most of the planet due to low death rates, but note that
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the selection for slightly higher fertility gets stronger as overall fertility declines:
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in one generation the ratio of 1 TFRs to 2 TFRs shifts by a factor of 2)
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Replying to @nunzioni
It has to eventually. High labor costs encourage breeding.
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Replying to @nunzioni
Breeding has to win in the end. The future belongs to those who show up
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Replying to @nunzioni
I'm pretty confident the math works out on this.
11:23 AM - 29 May 2017
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