Finding Statistics

The Association of Religion Data Archives (ARDA) strives to democratize access to the best data on religion. The ARDA) holds over 200 surveys on religion, including general population surveys, surveys of selected religious groups, surveys of religious professionals, and aggregate church, congregational and denominational data.

This entry is an ordered listing of religions by adherents starting with the largest group and sometimes includes the percent of total population. The core characteristics and beliefs of the world's major religions are described below.

Survey of voting behavior in the United States, conducted biennially since 1956.

Basic questions on religious identification and attendance at religious services have been asked throughout the time series but the religion module was substantially widened and improved starting in 1990, making possible richer analyses of how religion affects political attitudes and behavior. Contains links to download all the data.

The National Survey of Youth and Religion (NSYR) is a nationally representative telephone survey of English and Spanish-speaking teenagers between the ages of 13 and 17, and their parents.

The North American Jewish Data Bank is a repository for demographic and other quantitative social scientific surveys about Jews in the United States and Canada. It archives the National Jewish Population Surveys as well as a number of community surveys.

The World Values Survey (www.worldvaluessurvey.org) is a global network of social scientists studying changing values and their impact on social and political life, led by an international team of scholars, with the WVS association and secretariat headquartered in Stockholm, Sweden.

This page contains the Pew Research Center's Religion & Public Life survey datasets, which are posted on the Web as quickly as possible after all reporting is complete.