Association of Religion Data Archives
Contains tons of statistical and other information.
The Hartford Institute for Religion Research
Very well organized portal to religion data and sites.
Pew Forum on Religion and Public Life
A great source for surveys on religious life in America and much more.
Pew-Templeton Global Religious Futures Project
The project analyzes religious change and its impact on societies around the world.
Gallup News Topic: Religion
From the Gallup polling company, surveys and reports on the state of religion in the United States.
Virtual Religion Index
From Rutgers University Religion Department, this is a very comprehensive set of links to religious resources on the Internet.
World Religions and Spirituality
From Virginia Commonwealth University, a collection of profiles of world religions and denominations. Look for the "Profiles" tab on top.
Wabash Center Links to Religion Resources on the Web
A very well-organized guide to all kinds of topics and links to web resources for the study of religion.
Online version of Christianity Today magazine. Search Biblical texts, various Christian web sites, information about music and media.
News, events, resources on interest to Hindus worldwide. Includes biographies of Hindu gods and goddesses.
Unaffiliated with any particular sect, this offers a non-polemical view of Muslim beliefs and explores related
topics. Lots of info but no longer kept up to date.
Judaism And Jewish Resources
Annotated directory of Jewish resources prepared by a worldwide consortium of Jewish organizations. Last update 2014.
Resources For The Study Of Buddhism
General Buddhism information, Buddhist texts and teachings prepared by a professor at San Francisco State University.
Index to saints and angels. Includes feast days and patron saints.
The Association of Religion Data Archives
Freely available data on surveys and research on religion in America.
Religion in American Culture
From the Pew Forum on Religion and Public Life. A very good and easy to use summary of religious affiliation and belief in America, June 2008.
Christian Denominations in the United States: A library guide prepared by Carolyn Cardwell of Louisville Seminary library.
Faith Communities Today: Research surveys and practical reports about congregational life, conducted and published by the Cooperative Congregations Studies Partnership, a multi-faith group of religious researchers and faith leaders.