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Countries with Largest Unaffiliated Populations

The table below lists the top ten countries with the greatest number of people who identify themselves as religiously unaffiliated. The countries with the highest unaffiliated percentages tend to be communist or formerly communist countries, which usually oppose or restrict religion. 

Country2010 unaffiliated
population
Percentage of population
that is unaffiliated
Percentage of world
unaffiliated population
China700,680,00052.2%62.2%
Japan72,120,00057.06.4
United States50,980,00016.44.5
Vietnam26,040,00029.62.3
Russia23,180,00016.22.1
South Korea22,350,00046.42.0
Germany20,350,00024.71.8
France17,580,00028.01.6
North Korea17,350,00071.31.5
Brazil15,410,0007.91.4
Subtotal for 10 countries966,040,00039.985.8
Subtotal for rest of world160,460,0003.614.2
World total1,126,500,00016.3100.0
Source: Pew Research Center's Forum on Religion & Public Life, Global Religious Landscape, December 2012.