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Online Tools

Explore the recent updates to our data files:

Visit the Data Archive to browse through hundreds more.

Visit our Updated Teaching Tools

Download learning modules to interactively explore religion topics. Find syllabi, assignments, and links for teaching religion in multiple disciplines.

Measurement Wizard

The Measurement Wizard allows you to browse 165 key concepts used in the study of religion, view how survey researchers have attempted to measure them, and quickly compare the results of over 7,689 survey questions taken from our Data Archive.

U.S. Congregational Membership Report

Explore detailed information and family trees for more than 600 religious groups.

Enter a zip code or city and state [e.g. Seattle, WA]:

Congregational QuickStats

Browse dozens of topics and see responses from a major national survey of congregations.

Compare Yourself

See how you compare to the U.S. population:

Religious Preference:    

Interactive Timelines

Through the aid of text, pictures, and graphics, explore the history of American religion using ARDA's interactive timelines. See our timelines:

Community Profile Builder

Map congregations and create a religious and demographic profile for your community!


Find definitions for hundreds of religious terms. Discover the 80 new definitions added.


Review rank-ordered data on religion in the U.S. and around the world. Now including the latest data from the Religious Congregations & Membership Study, 2010! See our most popular topics:

National Profiles

Select a country to view its religious, demographic and social profile:

Religious Groups

Explore detailed information and family trees for more than 600 religious groups.

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News + Research Updates

Three of the top researchers in the field of religion and science offer a rare opportunity for an intellectually humble conversation on a controversial topic too often associated with division. Watch and listen live at this link as Elaine Howard Ecklund, Christopher P. Scheitle and Jenny Trinitapoli discuss groundbreaking research offering new pathways to cooperative efforts on issues from evolution and climate change to eradicating disease.

GlobalPlus lifts up the voices and contributions of international scholars, researchers and writers to promote accurate, balanced reporting on religion enriched by the diverse, high-quality data being produced throughout the world.

Browse the latest GlobalPlus offerings related to International Religion:

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