Lots of valid criticisms of the oft touted "happiness index."

Off the top of my head from something I read a while back: Finland is listed as one of the happiest countries, but also has a higher rate than normal of prescribed anti psychotics and anti depressants, and also has high rates of alcoholism and suicide. Something isn't lining up there.

My own anecdotal experience as well conflicts. When I travel through Scandinavia, people seem... Fine. Friends I have there say you're basically not allowed to talk to strangers, at all, everyone is meant to just quietly ignore each other. Meanwhile the deeper I go into Vietnam, even deep into where people still live on stilt houses made by hand tools, the happier and more sociable people are. My friends say the same of various countries in Africa.