You need to look at people dieing as well. Most of the population in those countries with high growth is really young and won't die for many decades. If they ha

You need to look at people dieing as well. Most of the population in those countries with high growth is really young and won't die for many decades. If they have an amount of kids below the stasis limit these kids will be alive at the same time and if the kids are more than the grandparents during the total population will go up to a while.