11_denmark_flickr_002.jpg

Photo Modified: Flickr / John Anes/ CC BY-SA 3.0

Average life expectancy: 79.25 years

Denmark is the happiest nation in the world, according to the latest World Happiness Index. What makes people feel this way is the strong social support they get from friends and family, the freedom they have to live as they please, and the seemingly lacking business and government corruption.