What makes people happy? The answer is a combination of things, according tothe World Happiness Report compiled by Columbia University's Earth Institute.
The global survey of 156 nations was conducted between 2010 and 2012 and follows the Earth Institute's first rankings released last year Here are the world's 10 happiest countries, according to the report:
4. The Netherlands
The United States came in at No. 17. Other notables include Israel (11), the United Arab Emirates (14), Mexico (16), the United Kingdom (22), Germany (26), Japan (43), Russia (68) and China (93).
Click here to read about the world's friendliest nations.