Ah yes, the hellscape that is Japan. The Japanese are currently fleeing to South Sudan and Darfur in hopes of a better life.
The impacts haven't really been seen yet because Japan is still on the flat apex of the population curve, but the rollercoaster is about to start diving.
https://www.ipss.go.jp/pp-zenkoku/e/zenkoku_e2023/pp_zenkoku...
The 42.7M tourists that went there in 2025 just enjoyed seeing the incredible decay of a dying country, a morbid fascination or sorts. /s (obviously)