COPENHAGEN, DENMARK - APRIL 16: A general view during Queen Margrethe's 70th Birthday Celebrations at Amaienborg Castle on April 16, 2010 in Copenhagen, Denmark. (Photo by Schiller Graphics/Getty Images)
TheWorld Happiness Report for 2016 ranks 156 countries by their happiness levels, using data collected from a Gallup poll to measure economical, psychological, health and public policy factors, among others.
The report, released just days ahead of UN World Happiness Day on Sunday, ranks the top 10 happiest countries as follows:
8. New Zealand
Denmark previously topped the list in 2012 and 2013.
The report ranks Burundi as the least happy nation. Data collected found that inequality among people was strongly associated with unhappiness.