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The ARDA Data Archive is a collection of surveys, polls, and other data submitted by researchers and made available online by the ARDA.

There are 1,256 data files included in the ARDA collection. You can browse files by category, alphabetically, view the newest additions, or search for a file. Once you select a file you can preview the results, read about how the data were collected, review the survey questions asked, save selected survey questions to your own file, and/or download the data file.

International Surveys and Data +

   Cross-National Data +

          ARDA's Collections +

          Pew's Global Restrictions on Religion Data +

          Religious Characteristics of States Data Project +

          The Religion and State Project -

The Religion and State Project, Constitutions Dataset, 1990-2002
The Religion and State (RAS) project is a university-based project located at Bar Ilan University in Ramat Gan, Israel. Its goal is to create a set of measures that systematically gauge the intersection between government and religion. This dataset examines constitutional clauses that address religion for 169 states on a yearly basis between 1990 and 2002. This constitutes all countries with populations of 250,000 or more, as well as a sampling of smaller states. [See More...]

The Religion and State Project, Constitutions Dataset, 1990-2008
The Religion and State (RAS) project is based at Bar Ilan University in Ramat Gan, Israel. Its goal is to create a set of measures that systematically gauge the intersection between government and religion. This dataset examines constitutional clauses that address religion for 177 states on a yearly basis between 1990 and 2008. This constitutes all countries with populations of 250,000 or more, as well as Western democracies with smaller populations. [See More...]

The Religion and State Project, Constitutions Dataset, 1990-2022
The Religion and State (RAS) project is based at Bar Ilan University in Ramat Gan, Israel. Its goal is to create a set of measures that systematically gauge the intersection between government and religion. This dataset examines constitutional clauses that address religion for 177 states on a yearly basis between 1990 and 2022. This constitutes all countries with populations of 250,000 or more, as well as Western democracies with smaller populations. [See More...]

The Religion and State Project, Main Dataset and Societal Module, Round 3
The Religion and State (RAS) project is a university-based project located at Bar Ilan University in Ramat Gan, Israel. The general goal is to provide detailed codings on several aspects of separation of religion and state for 183 states on a yearly basis between 1990 and 2014. This constitutes all countries with populations of 250,000 or more, as well as a sampling of countries with lower populations. [See More...]

The Religion and State Project, Minorities Module, Round 2
This Religion and State-Minorities (RASM) dataset is supplemental to the Religion and State Round 2 (RAS2) dataset. It codes the RAS religious discrimination variable using the minority as the unit of analysis (RAS2 uses a country as the unit of analysis and, is a general measure of all discrimination in the country). RASM codes religious discrimination by governments against all 566 minorities in 175 countries which make a minimum population cut off. Any religious minority which is at least 0.25 percent of the population or has a population of at least 500,000 (in countries with populations of 200 million or more) are included. The dataset also includes all Christian minorities in Muslim countries and all Muslim minorities in Christian countries for a total of 597 minorities. The data cover 1990 to 2008 with yearly codings. [See More...]

The Religion and State Project, Minorities Module, Round 3
The Religion and State (RAS) project is a university-based project located at Bar Ilan University in Ramat Gan, Israel. The general goal is to provide detailed codings on several aspects of separation of religion and state for 183 states on a yearly basis between 1990 and 2014. This constitutes all countries with populations of 250,000 or more, as well as a sampling of countries with lower populations. [See More...]

The Religion and State Project, Round 1
The Religion and State (RAS) project is a university-based project located at Bar Ilan University in Ramat Gan, Israel. Its goal is to create a set of measures that systematically gauge the intersection between government and religion. The RAS dataset measures the extent of government involvement in religion (GIR), or the lack thereof, for 175 states on a yearly basis between 1990 and 2002. This constitutes all countries with populations of 250,000 or more, as well as a sampling of smaller states. [See More...]

The Religion and State Project, Round 2
The Religion and State (RAS) project is a university-based project located at Bar Ilan University in Ramat Gan, Israel. Its goal is to create a set of measures that systematically gauge the intersection between government and religion. The RAS dataset measures the extent of government involvement in religion (GIR), or the lack thereof, for 175 states on a yearly basis between 1990 and 2008. This constitutes all countries with populations of 250,000 or more, as well as a sampling of smaller states. [See More...]

The Religion and State Project, Round 3
The Religion and State (RAS) project is a university-based project located at Bar Ilan University in Ramat Gan, Israel. The general goal is to provide detailed codings on several aspects of separation of religion and state for 183 states on a yearly basis between 1990 and 2014. This constitutes all countries with populations of 250,000 or more, as well as a sampling of countries with lower populations. [See More...]

          World Religion Project +

          Other Cross-National Collections +

   Multiple Nation Surveys +

          Spirit and Power +

          Other Multiple Nation Surveys +

   Single Nation Surveys +

          Project Canada +

          Taiwan Social Change Surveys +

          Other Single Nation Surveys +

U.S. Church Membership Data +

      County-Level Data +

      State-Level Data +

U.S. Surveys +

   Surveys of the General Population +

     National Surveys +

              Add Health Surveys +

              Baylor Religion Surveys +

              General Social Surveys +

              National Election Studies +

              National Health and Nutrition Examination +

              National Studies of Youth and Religion (NSYR) +

              National Survey of Family Growth +

              News Polls +

              Pew Research Center +

              Portraits of American Life Study (PALS) +

              Public Religion Research Institute (PRRI) +

              State of the First Amendment Surveys +

              Other National Surveys +

     Local/Regional Surveys +

              Middletown Data +

              Southern Focus Polls +

              Other Local/Regional Surveys +

   Surveys of Denominations/Other Religious Groups +

     Surveys of Congregations/Other Religious Organizations +

              Faith Communities Today +

              National Congregations Study +

              U.S. Congregational Life Survey +

              Other Surveys +

     Surveys of Members or Leaders +

              Adventist +

              Baptist +

              Catholic +

              Jewish +

              Lutheran +

              Methodist +

              Mormon +

              Nazarene +

              Presbyterian +

              Unitarian-Universalist +

              Other Groups +

Administrative/Organizational Data +

Survey Experiments +

Instructional Data Files +

Other Data +

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