Funded by the Institute for the Study of Secularism in Society & Culture, the ARIS surveys the religious affiliations of the American public through direct telephone surveys. In contrast to reports from church leaders or organizations, this methodology makes it a unique study of how people self-identify their religious affiliations.
Provides a county-by-county measure of religious bodies in the US. The study is currently sponsored by the Association of Statisticians of American Religious Bodies. The survey includes maps, reports, and data sets of survey results. 2010 RCMS was released May 1, 2012. An overview of the study can be found here. Full regional reports can be searched through the ARDA.
The Pew Forum conducts surveys, demographic analyses and other social science research on important aspects of religion and public life in the U.S. and around the world. The site has landing pages for reports based on religious affiliations: Christian, Jewish, Muslim, Other Affiliations (incl. Hindus, Buddhists, Baha’is, Sikhs, Zoroastrians, Unitarians, New Age groups and Native American religions), and Unaffiliated.
The International Religious Freedom Report is an annual report issued by the Department of State documenting religious freedom around the world. The report is organized by country and provides a look at how much freedom governments grant to religion.
ECFA is an accreditation agency dedicated to helping Christian ministries earn the public’s trust through adherence to Seven Standards of Responsible Stewardship™, which focus on board governance, financial transparency, integrity in fundraising, and proper use of charity resources.