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Religious Statistics: Historical Sources

Religion statistics for research.

Comprehensive Sources

Religious Bodies (U.S. Census Bureau)

The U.S. Census Bureau conducted 4 censuses of religious bodies from 1906-1936.  The adoptation of Public Law 94-521 prohibits the Census Bureau from asking mandatory questions about religious affiliations.  For a complete overview of Census Bureau publications about religion, please visit the Question & Answer Center topic Religion: Data Sources.