I wonder how much mutation load increasing childlessness is able to purge?
Also true for Denmark. 13% vs. 20% in 2014.https://www.kristeligt-dagblad.dk/danmark/hver-femte-mand-oplever-aldrig-f%C3%A5-b%C3%B8rn …
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depends on how strong sexual selection on the effective male population size is.
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Also depends on method. Presumably, this reflect increased serial monogamy among males, meaning that it is accompanied by mutation load increasing paternal age.
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Same pattern seen in the U.S. - White men and women over the 20th century https://www.unz.com/jman/whos-having-the-babies/ …pic.twitter.com/Jt03Igu8hX
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