The number of births needed to sustain human population levels is higher than previously thought There need to be 2.7 children per woman to reliably avoid long-term extinction, higher than the ...
NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...
There need to be 2.7 children per woman to reliably avoid long-term extinction, higher than the previous estimate of 2.1 children per woman ...
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