Europe and Japan are said to be " dying from within " because of not enough population -- babies are not being born quickly enough to replace the current population and support the older folks . America has only escaped this dire fate do to immigration . ( Europe had immigration , too , but they are not integrating , so , apparently , it does n't " count .

Question: Why is the populating declining in Japan ?
Answer: There is a declining birthrate .There is a bunch of immigration out of Japan and into Europe .There is a bunch of natural disasters .There is a bunch of immigration out of it .