Well Japanese are also dying and they are not starting any movement to reproduce more so the world knows that you can't force someone to give more birth but you can force them to give less like China. You can decrease population more easily if you want to but increasing it is a lot more difficult. Combined that with how white people mostly have no tendency to form a family unit and are increasingly less likely to have one spouse for years on end and you get even more reasons for individuals not having kids. There are also many single parents in those places so having more kids could be off putting after having a child and being left alone to take care of it. I mean if you have Jo interest in reproducing then you will become a minority but going extinct is far fetched on any world view
Just a guy who doesn't want to be bored. Also
