If you have $1m, you can draw something like $30-40000 a year reasonably safely. That's obviously a lot of money, but isn't what most people in the mentioned countries think of as "living large" if it's your whole income, especially for a couple/family. That puts you at about the median individual income for Japan and NZ, a bit above in Korea, and below for most of western Europe and Aus.

Obviously that's without working, but that's kinda the point. It's wealth, but not enough that most people in those places would be comfortable not working if that's how much they earned. Hell, in the US that wouldn't even cover childcare for a few kids in many locales.