Add Yahoo as a preferred source to see more of our stories on Google. Switzerland once again took the top spot for best country, according to U.S. News & World Report.Michael Robinson/Getty Images ...

For the eighth year in a row, Finland has been named the happiest country in the world, while the United States hits a new low. Plus, more on the state of happiness and well-being around the globe.

According to this World of Card Games ranking, Switzerland is the smartest country in the world based on a variety of criteria from average IQ to education levels. The U.S. also makes the top three.

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This Pew Research Center report describes levels of religious diversity in 201 countries and territories. We measure how evenly each country’s population is distributed among seven groups: Christians, ...