The World Happiness Report was released by the Sustainable Development Solutions Network for the United Nations on March 20, the date that the United Nations has declared to be the International Day of Happiness.

The report ranks countries on six key variables that support well-being: income, freedom, trust, healthy life expectancy, social support and generosity.

Finland was ranked number one on the happiness index, followed by Denmark, Norway, Iceland and The Netherlands.

“The top 10 countries tend to rank high in all six variables, as well as emotional measures of well-being,” says report co-editor John Helliwell, a professor emeritus of economics at the University of British Columbia.

Read more at CNN.