The Measurement Wizard
allows you to browse 114 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
Download learning modules
to interactively explore religion topics. Find syllabi
, and links
for teaching religion in multiple disciplines.
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:
Map congregations and create a religious and demographic profile for your community!
Ahead of the Trend: Recent Columns
Religion Quizzes: So you think you know?
Select a country to view its religious, demographic and social profile:
Explore detailed information and family trees for more than 600 religious groups.
Browse dozens of topics and see responses from major national surveys, demographic patterns and changes over time.
See how you compare to the U.S. population:
View a few of our most popular data files:
News & Research Updates
** Update **
Religion Family Trees
View the rich history of world religions and American denominations through interactive family tree diagrams.
Explore congregational membership
in every county, state and urban area in
the United States using data from the 2010 Religious Congregations & Membership Study!
Have Questions about the ARDA?
Visit our FAQ page to learn more about the ARDA, its features and data sources.
** New Feature **
Browse dozens of topics and see responses from a major national survey of congregations.
|Search thousands of sociological books, journal articles, theses and dissertations by subject, author, title or publication information.|
|The ARDA's US Maps have been updated! Map dozens of new variables using our improved Google map engine!|
** Learning Center
Try out the ARDA's YouTube channel
, expanded Learning Modules
, Lesson Plans
and much more in our updated Learning
|Map congregations and create a religious and demographic profile for your community!|
Compare the members of 31 different religious groups (including agnostics and atheists) using data from the 2007 U.S. Religious Landscape Survey.
Get the latest news on Data Archive
additions, Ahead of the Trend columns and new features.
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The ARDA Affiliates
News & Research Updates
The Association for the Study of Religion, Economics and Culture (ASREC) and the ARDA announce a new Working Papers series.
Updates to the Data Archive
The following files have recently been added:
|•||U.S. Congregational Life Survey, Wave 2, 2008/2009, Evangelical Lutheran Church in America (ELCA) Attender Survey|
|•||U.S. Congregational Life Survey, Wave 2, 2008/2009, Evangelical Lutheran Church in America (ELCA) Leader Survey|
|•||U.S. Congregational Life Survey, Wave 2, 2008/2009, Evangelical Lutheran Church in America (ELCA) Congregational Profile Survey|
|•||Religion and State--Minorities|
|•||Presbyterian Panel Survey, 2012-2014 - Background Variables, Clergy|
|•||Presbyterian Panel Survey, 2012-2014 - Background Variables, Members and Elders|
|•||National Congregations Study Switzerland, Cumulative Dataset (1998, 2006, and 2008)|
|•||Noordin Top Terrorist Network Data|
|•||Presbyterian Panel Survey, August 2010 - Compassion, Peace and Justice, Elders|
|•||Presbyterian Panel Survey, November 2010 - Congregational Leadership, All|