Denmark ranked No.1 on the list of happiest countries in the world, according to the World Happiness Report 2013 released by the United Nations Sustainable Development Solutions Network (UNSDSN).

The selection focused on six aspects, including GDP per capita, social support, healthy life expectancy, freedom to make life choices, perceptions of corruption and generosity. Denmark performed outstandingly in all of them.

Eight out of the top 10 countries are located in Europe. These countries feature great climates, high GDP per capita and complete social insurance. Among the over 150 countries featured on the list, China ranked No.93, with an overall score of just 4.978.

This is the second year UNSDSN has published the report. According to the report, most of the lower ranked countries are African countries. The bottom five are all African countries, including Rwanda, Burundi, Central African Republic, Benin and Togo.

The following is the list of top 10 happiest countries in the world:

  Australia

Score:7.350