Once again, cold climates breed happy people. Based on the U.N.'s annual report from the Sustainable Development Solutions Network, which considers factors such as GDP, life expectancy, and freedom from business and government corruption, here are the 10 happiest countries in the world:

1. Norway

2. Denmark

3. Iceland

4. Switzerland

5. Finland

6. Netherlands

7. Canada

8. New Zealand

9. Australia

10. Sweden

FYI: The U.S. came in at 14th, which is down a spot from last year. The Central African Republic is the least happiest country