4 ms·

Fertility is heritable. Population will probably continue to rise.

• TulliusCicero 7y ago
  And yet, basically every developed country is below the replacement rate.
  • ethbro 7y ago
    How many countries are "developed"? And how quickly will the remainder join them?
  • toasterlovin 7y ago
    Below replacement fertility is a recent phenomenon (last couple of generations). Evolution works in multiples of generations. We’re at the very beginning of evolving resistance to modernity.