Of course, the ones that do not have that issue are the ones that have extremely high birth rates, extremely high infant mortality rates, low education, and are likely to blow up due to population pressures.
Other places that are having population problems where there is not the toleration of homosexuals is Russia.
It are places that women go to work to maintain a higher standard of living, and therefore are delaying getting into the motherhood business.
As far as I can see, the world population could decrease by 75%, and there wouldn't be any worries when it comes to extinction, but the less strain on the non-renewable resources, and the over utilized renewable resources would be much less.