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Global Religious Demographics

February 9, 2026

Methodology

Religious divide formula

Religious divide formula

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Religious divide formula

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Methodology
Religious Diversity Index formula
Calculating Religious Diversity Index scores
Diversity levels and corresponding RDI score ranges
Religious divide formula
Calculating religious divide scores

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ABOUT PEW RESEARCH CENTER Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world. It does not take policy positions. The Center conducts public opinion polling, demographic research, computational social science research and other data-driven research. Pew Research Center is a subsidiary of The Pew Charitable Trusts, its primary funder.

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