Fentanyl and meth seems to be largely a North America issue. I previously was curious how other countries dealt with it. The only country I found that had previously had a meth issue was Estonia or Latvia (not sure anymore). It apparently was really bad for years. They fixed it by finding the single meth lab. Not a solution that's viable for us.
No idea what Japan does with its homeless but my money is that it's something like forced admission which isn't gonna fly in the US.
It is not because the US doesn’t lock people up enough.
Once again, I don't know much about Japan but I doubt there is a large ethnic minority that is only about fifteen percent of the population but somehow accounts for almost half of all incarcerated people in Japan.
From Google:
> Low Incarceration Rates: Japan maintains one of the lowest incarceration rates in the developed world (roughly 35 to 40 prisoners per 100,000 residents, compared to over 500 per 100,000 in the US).