Quote:
Originally Posted by Don Rotolo
Actually ZPG is not a theory, it is a proposal or social aim (and an old one at that) that each couple have not more than TWO children to maintain the population at a stable level. Two people being replaced by one is negative population growth...
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Actually, every couple having 2 children would also result in negative population growth, because not every child goes on to have their own children. You need something like 2.1 children/couple to maintain a constant population level.
That being said, I believe you are correct that the ZPG proposal has it at 2 children/couple.