This year marks the 10th anniversary of the World Happiness Report, which uses global survey data to report how people evaluate their own lives in more than 150 countries worldwide. The U.S. ranks 16th on the list.
The report looks at a variety of factors to come up with its rankings including life expectancy, GDP, social support and perception of corruption.
Generosity and freedoms are also measured in the report.
The U.S. ranks 16th on the list. It received high marks in the GDP and social support categories.
The top 5 on the list were all European countries: