Poorest avg. score: 20 (62%)
And only 21/30 in poorest...
I think you're definitely on to something here. I have worked with many people from third world countries and several have told me that just because people are poor doesn't mean they're unhappy.
Yes, the salaries may be low, but what is the cost of living like?
Do the people own or rent their homes? - Do they receive money
monthly from their relatives in the US to supplement their earned
income? - Yes, poverty is poverty, but by whose measure?