By Jeff Diamant / Pew Research Center
“Top 10” lists can often be helpful in displaying and illuminating data. For example, the two tables of countries with the largest Christian and Muslim populations featured here reveal differences in the concentration, diversity and projected changes in the world’s two largest religions.
The two lists show that the global Muslim population is more heavily concentrated in Islam’s main population centers than the global Christian population is for Christianity, which is more widely dispersed around the world. Indeed, about two-thirds (65%) of the world’s Muslims live in the countries with the 10 largest Muslim populations, while only 48% of the world’s Christians live in the countries with the 10 largest Christian populations.
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