You ask Americans on American Forum. It's to expect that most would want to live in an English speaking city due to language barrier. People who speak other languages might consider other choices.
But there are some people who would like to live somewhere else:
https://www.city-data.com/forum/worl...ive-world.html
https://www.city-data.com/forum/worl...-leave-us.html
https://www.city-data.com/forum/worl...r-live-if.html
...etc...
As you can see, this question was asked and answered many times before.
Also, most people wouldn't really know, because most don't know the real life in any of the cities overbroad. Seeing them for few days as a tourist is not the same.