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Websites on Comparison of Religions
CIA World Factbook
The World Factbook presents the basic realities about the world in which we live in and is one of the U.S. Government’s most accessed publications.
Database of Religious History
The world’s first comprehensive online quantitative and qualitative encyclopedia of religious cultural history
Encyclopedia of Religion and Society
"The Encyclopedia of Religion and Society marks a unique venture in that it attempts to bring together in a single-volume compendium a state-of-the-art summary of the insights gained by the principal social sciences of religion: anthropology, psychology, and sociology. To do so is to take, admittedly, a "one-sided" approach to the religion-and-society nexus. One could perhaps consider an alternative posture, more ethical in nature-namely, one that considers what religions think about society. This would really be an encyclopedia of religious social ethics, and it is not within the scope of this project."
Learn Religions
"We believe that a strong foundation of knowledge in world religions is essential to understanding one another and our world. You’ll find that our library of study guides, prayers, devotionals, and reference documents offer credible and balanced coverage of the world’s most prominent faiths, including Buddhism, Christianity, Hinduism, Judaism, Islam, and Taoism."