Jokodo
Veteran Member
I personally know quite a few baby boomers who had 7 or 8 siblings, but I don't know a single boomer who had that many children.
I'm not going to deny baby boomers had fewer kids than the generation(s) before them, but that's some bad case of selection bias there. The percentage of kids coming from large families will always be larger than the percentage of large families, for the rather obvious reason that large families have more kids. If there is, for example, one family with four kids for every four with one kid, the average family size over those five families will be 1.6 kids but the average size of the parental family per each of the 8 kids is 2.5. In other words, 20% of the families will have 4 kids, but 50% of the kids will come from such families.
In yet other words, you're 7 times morre likely to randomly meet a child from a 7 kid family than a parent - because you have 7 chances to do so!
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