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A comment on The global fertility rate is falling. Parent comment
You forget that old calculus also included "Eh it's barely worth learning their names until they're 5 years old".
In 1900 child mortality under 5 was 35%! In 1800 it was almost 40%. -> https://en.wikipedia.org/wiki/Child_mortality#/media/File:Gl...
You needed 3 babies just to make 2 toddlers. Let alone adults.
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You forget that old calculus also included "Eh it's barely worth learning their names until they're 5 years old".
In 1900 child mortality under 5 was 35%! In 1800 it was almost 40%. -> https://en.wikipedia.org/wiki/Child_mortality#/media/File:Gl...
You needed 3 babies just to make 2 toddlers. Let alone adults.