Faithology

religionsRELIGIONS BY SIZE

topicsPOPULAR TOPICS

faithologyFAITHOLOGY NEWS

Christianity 2.1 billion
Islam 1.5 billion
Hinduism 900 million
Buddhism 376 million
Sikhism 23 million
Judaism 14 million
Baha'i 7 million
  • Check back for popular topics coming in February 2012
  • January 2012 -

    Faithology is currently in the process of publishing our research online.
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  • January 2012 -

    Faithology is hiring additional team members!
    Read More