March 20 was the International Day of Happiness, which the United Nations has celebrated since 2013. Happiness is a vital part of humanity, but where are the happiest places on earth to live?
The World Happiness Report looked into it. The report, which has been published annually since 2012, recently came out with a 2016 update detailing the happiness level of 156 countries. The countries are evaluated based on a variety of factors, including social support, perceptions of corruption, freedom to make life choices, healthy life expectancy and GDP per capita.
Here are the 25 happiest and least happy countries in the world, according to the World Happiness Report.
Happiest countries
1. Denmark
2. Switzerland
3. Iceland
4. Norway
5. Finland
6. Canada
7. Netherlands
8. New Zealand
9. Australia
10. Sweden
11. Israel
12. Austria
13. United States
14. Costa Rica
15. Puerto Rico
16. Germany
17. Brazil
18. Belgium
19. Ireland
20. Luxembourg
Least happy countries
1. Burundi
2. Syria
3. Togo
4. Afghanistan
5. Benin
6. Rwanda
7. Guinea
8. Liberia
9. Tanzania
10. Madagascar
11. Yemen
12. Uganda
13. Burkina Faso
14. Chad
15. South Sudan
16. Niger
17. Angola
18. Cambodia
19. Ivory Coast
20.Comoros
Click here to see the complete 2016 update and read the full ranking of countries' happiness levels.