The World Happiness Index has ranked the happiest-and least happy-countries in the world since 2013 on its annual list. On the top of 2016's list is Denmark. The next happiest countries are Switzerland, Iceland, Norway, Finland, Canada, and the Netherlands, in that order. At the bottom of the 156-country list is Burundi. The purpose of compiling these lists and gathering this data, according to the World Happiness Index, is for governments, organizations, and communities to use the "happiness data, and the results of subjective well-being research, to enable policies that support better lives."