It is interesting that the per capita peak was in the 1960s.

All of these countries, except China, peaked in the 1960s.
US Fertility Rate Chart
Not sure this is meaningful but the correlation is interesting and curious.

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It is interesting that the per capita peak was in the 1960s.
All of these countries, except China, peaked in the 1960s.
Not sure this is meaningful but the correlation is interesting and curious.