According to the World Happiness Report, Finland has ranked the happiest! For the last 6 years, this Nordic country has ranked No. 1 out of 150 for all the things that generally make people content. In partnership with major global universities, the World Happiness Report uses categories like income, “social support, healthy life expectancy, freedom, generosity, and corruption” to determine just how happy people are. The U.S. ranked 15th on the list.