With only a few more days between now and International Day of Happiness (at time of posting) the World Happiness Report has been released.
And the winner is.... Finland! (Australia rounds out the Top Ten)
Nordic countries regularly appear in the top five, while war-hit countries and a number in sub-Saharan Africa regularly appear in the bottom five.
Burundi was the least happy, taking over from the Central African Republic.
It was thrown into crisis when President Pierre Nkurunziza's bid for re-election to a third term in 2015 sparked protests by opposition supporters who said the move was unconstitutional.
This year's report by the UN Sustainable Development Solutions Network also features data about the happiness of immigrants in their host countries, with Finland also coming top as home to the happiest immigrants.
What is Finland known for?
With an estimated 3.3 million, there are enough steam rooms for more than one every other person
They have the most metal bands per capita. The most famous include HIM, Nightwish and Children of Bodom
From Lapland, you can see wild reindeer, the Northern Lights and if you are lucky Santa Claus
The country's most famous exports include the cartoon characters called Moomins and the mobile gaming app Angry Birds
"I think everything in this society is set up for people to be successful, starting with university and transportation that works really well," American teacher Brianna Owens, who lives in Finland's second biggest city Espoo, told Reuters news agency.
8. New Zealand
The full report can be downloaded from the World Happiness website.