Happiest Countries in the world by 2013

Guess which countries are the happiest countries in the world by 2013?  According to 156-nation survey published by the United Nations Sustainable Development Solutions Network, Denmark, Norway and Switzerland are the happiest countries in the world!

Among North American Countries, Canada ranks in 6^th place while Mexico 16^th and U.S 17^th! 

Source: Gates, Sara. "World Happiness Report 2013 Ranks Happiest Countries Around Globe." The Huffington Post. TheHuffingtonPost.com, 09 Sept. 2013. Web. 15 Oct. 2013.