That doesn't seem to be the case if you look at places like Egypt, where birthrates are not falling despite the country being relatively developed. A lot more of it is cultural and social, and whether people care about their overall impact on the environment.
Besides, we don't really have the time to wait until 2100, when some nations may advance. We need to link foreign aid directly to widespread family planning for African and West Asian countries.
Besides, we don't really have the time to wait until 2100, when some nations may advance. We need to link foreign aid directly to widespread family planning for African and West Asian countries.