How many different religions are there in the world - major/mainstream
ones I mean that have a following of at least a few thousand - I just
need to know their names e.g. Christianity

Thx

Hi! Thanks for the question.

If you want to know the major religions of the world and the number of
their followers, our first article provides a list and statistics.

"Major Religions of the World Ranked by Number of Adherents"
http://www.adherents.com/Religions_By_Adherents.html


Our next link meanwhile provides a bigger list of religions but
without the statistics.

"List of Religions of the world"
http://www.thefreedictionary.com/List%20of%20Religions%20of%20the%20world 


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major religions of the world list number
   
I hope these links would help you in your research. Before rating this
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Regards,           
Easterangel-ga           
Google Answers Researcher