Unless something is done to stop it, Africa will be 99.9% muslim within 25-30 years...
...but then again, so will Europe, Asia and probably North America.
This writer begs to differ:
http://www.goodreads.com/book/show/201941.The_Next_Christendom
About Philip Jenkins:
http://www.goodreads.com/author/show/3252981.Philip_Jenkins
Muslims are loosing ground in Africa. And remember this, China really wants Africa and they have been having massive issues with random muslim attacks. They also have no issue with killing people.