64 countries have religious symbols on their national flags
Of the 64 countries in this category, about half have Christian symbols (48%) and about a third include Islamic religious symbols (33%).
A third of the 198 countries studied had a high or very high level of social hostilities involving religion in 2012. About three-in-ten countries had a high or very high level of government restrictions on religion, roughly the same as in 2011.
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