Data included in the ARDA are submitted by the foremost religion scholars and research centers in the world. All data collections provide complete wording for each survey question, outline the research methods used, can be previewed online, and virtually all are available for download free of charge.
Research Features:
TheARDA.com and national religion writer David Briggs have partnered to launch a regular column delivering the latest news in religion research from throughout the world.

Read Ahead of the Trend now!
Data Archive
ARDA's Data Archive hosts hundreds of religion-related data sets for free download. Click here to view some of our most popular files:

Visit the Data Archive to browse through hundreds more files.

GIS Maps
Using tools developed by Social Explorer, GIS Maps allow you to visually see the social, economic, demographic, and religious landscape of neighborhoods, cities, states, regions, and the entire United States. Once you are viewing a map you can generate a summary report using a variety of options.

Enter a zip code to see a map now:  
U.S. Congregational Membership Reports
Explore congregational membership in every county, state, and urban area in the United States. Based on the Religious Congregations and Membership Study collected by the Association of Statisticians of American Religious Bodies this is the most complete census available on religious congregations and their members.

Enter your 5-digit zip code to see a religious profile now:  

QuickStats: U.S. Surveys
Use QuickStats to browse dozens of topics and see reponses from major national surveys, demographic patterns, and changes over time! Available topics:
ARDA Newsletter
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News & Research Updates:
GIS Maps
The ARDA introduces interactive maps and reports for demographic, economic, and religious data. Browse social landscapes of neighborhoods, cities, states, and regions. Powered by Social Explorer.
National Profiles *Updated*
Our new multi-country comparison feature allows you to compare up to eight (8) countries on a variety of demographic, social, economic and religious measures.
Browse theARDA's Collection
International Surveys and Data
 Cross-National Data
 Multiple Nation Surveys
 Single Nation Surveys
 
U.S. Church Membership Data
 County-Level Data
 State-Level Data
 
U.S. Surveys -->General Population
 National Surveys
  General Social Surveys
  National Election Studies
  Pew Research Center
  Baylor Religion Surveys
  Other National Surveys
 Local/Regional Surveys
  Middletown Data
  Southern Focus Polls
  Other Local/Regional Surveys
 
US Surveys -->Denominations/Other Religious Groups
 Surveys of Members or Leaders
  Adventist
  Baptist
  Catholic
  Jewish
  Lutheran
  Methodist
  Mormon
  Nazarene
  Presbyterian
  Unitarian-Universalist
  Other Groups
 Surveys of Congregations/Other Religious Organizations
  U.S. Congregational Life Survey
  Faith Communities Today
  Other Surveys
 
Other Data
Denominational QuickStats
Inspired by our QuickStats on national surveys, we are now introducing QuickStats for denominations.
Learning Center
Our new Learning Center includes downloadable Learning Modules, a Glossary of Religious and Statistical Terms, the Compare Yourself Survey, and Community Religious Profile.