March 20 is the International Day of Happiness, which recognizes "happiness and well-being as universal goals and aspirations in the lives of human beings around the world," according to the United Nations. Take a look at this year's list of the happiest countries in the world.
What makes people happy? The answer is a combination of things, according tothe World Happiness Report compiled by Columbia University's Earth Institute. Take a look at the happiest countries in the world.
4. The Netherlands
1. Denmark. Considered the happiest place in the world for the second year in a row, Denmark is home to Tivoli Gardens, one of the world's oldest amusement parks.
Click here to read about the world's friendliest nations.
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