Of the top ten wealthiest countries in terms of per capita income, only four (Iceland, Switzerland, Norway, and Luxembourg) ranked among the top ten happiest countries. The other six countries ranged from the fourteenth happiest country (Ireland) to the fifty-fifth (Hong Kong). Singapore ranked thirty-second in happiness ratings.

The United States is the fourth wealthiest country in terms of per capita income with an average income of $47,000 per year, yet we ranked twenty-seventh in happiness ratings, with an average happiness rating of 7.0.