The World Happiness Report 2017 ranks 155 countries by their happiness levels. This year's report also looks at the role of social factors in supporting happiness.

The World Happiness Report 2016 Update, which ranks 156 countries by their happiness levels, was released in Rome in advance of UN World Happiness Day, March 20th.

The World Happiness Report 2016 ranks 158 countries by their happiness levels. This year's report also looks at gender and age as a factor, the mental health of children, and the neuroscience of happiness.

In this report, experts in several fields such as economics, psychology, survey analysis, and national statistics, describe how measurements of well-being can be used effectively to assess the progress of nations.