A Fertility Story: (Warning, image heavy)

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Tuesday’s post took longer to write than expected, so today’s post is being told entirely in images:

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cnn-trap-income dating

 

inflation-and-cost-of-goods

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intelligence vs desired number of children, from Cognitive dysgenics in the OKCupid dataset: a few simple analyses by Emil O. W. Kirkegaard http://emilkirkegaard.dk/en/?p=5942
intelligence vs desired number of children, from Cognitive dysgenics in the OKCupid dataset: a few simple analyses by Emil O. W. Kirkegaard — there are several other graphs in the post so be sure to check them out.
From Selection against variants in the genome associated with educational attainment (PDF)
From Selection against variants in the genome associated
with educational attainment
(PDF)

age-specific-fertilitty

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Source: CDC data, I believe

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11 thoughts on “A Fertility Story: (Warning, image heavy)

  1. At the risk of being a bit repetitive, the West killed their god 150 years ago. Without G-d, the smart have become Nietzsche’s Last Men (a human version of the Beautiful Ones from the rat heaven experiment) and have ceased to strive or reproduce. The dumb continue to exist on a primitive level, but I doubt will be able to maintain the technology needed for their survival without social breakdown and mass warfare/starvation. What’s probable is that the smart are going through an evolutionary bottleneck. Those who emerge on the other end will be smart and religious, likely to have 6+ children per family, and will inherit the earth.

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  2. The UN chart showing its population projections is somewhat deceptive. The middle projection assumes that all countries have replacement level reproductive rates (ca. 2.1 children per woman), and it shows an increasing world population due to age structure. The low estimate uses current reproductive rates, and it is the curve we are actually following.

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  3. Agriculture requires stability and future time orientation. Industrialization does to an extent as well. Our current selective pressures are towards the opposite. If we have any agency it will be to decide on a pastoral culture versus a hunter-gatherer culture, since post modernity will likely look like one or both of them.

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  4. Sometimes facts bum me out.

    On the religious note above, my wife and I have struggled with this for some time. I can’t grasp actual belief in a god, but I am smart enough to recognize the evolutionary benefits of such belief.

    I can’t help but wonder how many of the wise men of the distant past did not believe but still presented as they did because they knew it was for the greater good.

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