25 Dec '16 15:59>7 edits
Originally posted by twhiteheadwhat I find interesting about that is that the vast bulk of the more recent increase in human population doesn't come from an increase in world birth rate, which has only gone up slightly and is leveling off, but comes from people on average living longer (at least partly because of less poverty).
I suggest starting here:
https://www.gapminder.org/videos/dont-panic-the-facts-about-population/
Obviously, because of the fundamental biological limit to how long a human can live, at some time not very far into the future, the global population growth will dramatically slow down to an extremely slow crawl if not actually start to become slightly negative growth.
There are many things for us to worry about but at least the global human population coming to large isn't one of them.