> The U.S. population is still growing, which of course may be lag, but can also be caused by immigration. Indeed which is why I specifically talked of fertili

> The U.S. population is still growing, which of course may be lag, but can also be caused by immigration. Indeed which is why I specifically talked of fertility as immigration is a thing. Irrelevant on a global level obviously. > I expect poorer countries to continue to be baby factories indefinitely. Highly unlikely. Fertility is getting lower everywhere. In all likelihood Africa will go the same way as South Asia as women education and access to contraception rise and children mortality rates drop. It’s already started.