These pages are from a blog I used in conjunction with Rel 101: Introduction to World Religions based on Religions of the World by Hopfe and Woodward. I have not vetted all the links or reedited for content, nonetheless there are some great resources here.
Introduction to World Religions
How many religions are there?
How many does the class cover?
14 major religions with many sects
How many people believe in what?
Click here to find out: Adherents.com
What do the believers read and consider sacred?
Click here to find out: sacred-texts.com
What holiday is it today?
Click here to find out: interfaithcalendar.org