My opinion (immigrant for the 2nd time, currently in Germany since 2013- so I've lived in 3 countries when counting my native one):

Basically, all rich/"western" countries are pretty decent. Some better than other, but they're all 'ok' or rather they all have plenty of 'ok' options for people able to work at somewhat in-demands fields (despite the financial situation of the last couple years a career in tech or tech adjacent generally still fits that category).

If you go somewhere where there's "real" problems, countries like Egypt, India, Ethiopia (altho of course there are nice areas in these countries too) you realize most of the time you'd rather live in any rich country than in a poor country. And there are more people worldwide living in countries ± like India than in countries ± like Germany.