Most men and most women are not childless. That's "the cut".
Men are significantly more likely to be childless than women, in most countries.
Discussion
Is this more the case in first, second, or third world countries?
Which nations are leading has changed over time, tho.
"Men are significantly more likely to be childless than women, in most countries."
I was just referring to this part.
Hmm... I don't know.
I assume that a welfare state geared towards women perhaps increases male childlessness, as it functions as an ersatz-husband, but I've got no source.
Reduces the fitness costs of both hypergamy and promiscuity.
Hmmm.
Could go either way, prima facie. Does anyone have trend data handy?
"Does anyone have trend data handy?"
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1.4 reproducing women for every reproducing man, averaging over hundreds of generations in Europe and West Africa. But only 1.1 in East Asia, and middling numbers in West Asia and East Africa. I'll chase up the paper if anyone wants it.
No, I have no idea why the regional differences. Culture, and marriage customs, but in what ways...?
I suspect more variance in the partners in more difficult environments, perhaps? Europe and West Africa have been particularly difficult places.
Very possible.
But the effect is in an unexpected direction - more monopolising of mating opportunities by high-status males, at least in the form of high remarriage rates.
Yes, that's what I meant.
In the West, at least, men are more likely to remarry after divorce, which would increase the number of men with children from more than one woman.
Western women are also probably more likely to have children from more than one man.
Yeah, no shit
Because they can't give birth.