Islamic Studies: Religious Stats

Brings together statisticians and researchers who collect and publish information about denominations and other faith groups in the United States.

Statistical Abstract. National Data Book. U.S. Census Bureau. 2010.
Three tables: • Self-Described Religious Identification of Adult Population; • Religious Bodies–Selected Data; • Christian Church Adherents and Jewish Population, States

Statistical data on religions practiced in the United States. "Includes data on churches and church membership, religious professionals, and religious groups (individuals, congregations and denominations)." Also has interactive maps and downloadable data files.

"A growing collection of over 43,870 adherent statistics and religious geography citations: references to published membership/adherent statistics and congregation statistics for over 4,200 religions, churches, denominations, religious bodies, faith groups, tribes, cultures, movements, ultimate concerns, etc. The religions of the world are enumerated here."

See "Religions" page for statistical distribution of religions within countries.