If you are reasonably healthy, reasonably hard working, and reasonably smart, then use this link:
List of countries by Human Development Index - Wikipedia, the free encyclopedia
It will give you a pretty good indication of what kind of life quality you could enjoy in each country.
Ease of doing business:
Ease of doing business index - Wikipedia, the free encyclopedia
And of course, add your own preferences too if you really decide to move - Norway is pretty much No1 in anything you pick, but I wouldn't move there permanently even if you give me $10 mil, just way too cold for my taste.