Anonymous wrote:Anonymous wrote:Families need about 2.7 children per parent on average to avoid eventual extinction of their lineage in mathematical models, which is higher than the classic replacement rate of about 2.1 children per woman. This means that if most families have three or more children, their family line is statistically more likely to continue across many generations compared to families with fewer children.
That's the plot of Idiocracy.
Anonymous wrote:We live in a wealthy zip code and I feel like 3 is quite common. Having one child is very uncommon. I agree that 4+ seems to be more religious families (but not always the case).