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by ALittleLight
1984 days ago
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One problem with the data is that it's hard to know to what extent modern life changes how many kids you want. Meaning: if a woman knows she has to have a full time job, she may only want, or believe she can afford, two or three children. Conversely, I suppose a woman in agricultural setting might want 7-10 children knowing they could help on the farm. It's probably impossible to know what people would want "unconstrained" by reality, and maybe not even meaningful. Two things I think are true though. First, women have fewer children than they want, even if what they want is declining over time. Second, women who don't want children, or who want children below replacement, won't ever become the majority of the population - at least not for any significant amount of time. Such women will be replaced by women who, genetically or memetically, want more children. |
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That's not necessarily true. The rural population has shrunk significantly, even as rural family sizes tend to be bigger. The kids largely move to cities (following the gigantic trend towards urbanisation, and in responses to economic realities), and then proceed to have fewer kids in the urban context.
If there's a context with high birthrates, you've got to account for replacement rate within the context: there's a tendency for the kids to find their way to other contexts and thus revert to the mean. Insane "quiverfull" people have lots of kids, but it's not clear to me that they manage to keep up the crazy across generations.