I’ve gotta hand it to these guys at Gordon Conwell. Every time I meet with Bert Hickman or really *ANY* of them, they never cease to impress. In this article, they painstakingly picture Christianity in the global “big picture.”
http://www.gordonconwell.edu/ockenga/research/documents/2ChristianityinitsGlobalContext.pdf

You won’t regret reading this as a backgrounder to all things related to World Religions and their current growth / rate.