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Online Tools
Map congregations and demographics using 2009 data on congregations and 2007 census data.
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 400 U.S. religious denominations.
Browse dozens of topics and see responses from major national surveys, demographic patterns and changes over time.
Review rank-ordered data on religion in the U.S. and around the world. See our most popular topics:
See how you compare to the U.S. population:
Data Archive
View a few of our most popular data files:
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News & Research Updates
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 ** Congregational QuickStats
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 Updated! **
| Pinpoint congregations and demographic data on a new, interactive map. It's as easy as entering a ZIP code. |  |
Compare the members of 31 different religious groups (including agnostics and atheists) using data from the 2007 U.S. Religious Landscape Survey.
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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:
| • | Faith Communities Today Survey (FACT) 2010, Orthodox Parishes |
| • | PRRI/RNS Religion News Survey, October 2010 |
| • | PRRI/RNS Religion News Survey, November 2010 |
| • | PRRI/RNS Religion News Survey, December 2010 |
| • | PRRI/RNS Religion News Survey, August 2010 |
| • | PRRI/RNS Religion News Survey, September 2010 |
| • | Faith Matters Survey, 2006 |
| • | Attitudes of Cultural Progressive Activists, 2009 |
| • | Religion and Deviance at Four American Universities |
| • | Presbyterian Panel Study, November 2008 - Spirituality and Health, Clergy |
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