everywhere
About one billion are Catholic; but not all practice the faith
Around 330 million.
Around 14 million.
Around 40 million.
The Devil and his followers.
Catholic.
cricket has around 3.3billion followers
rajnikanth
Catholicism
Muslims, who are the Islam followers, are distributed all over the world. they total around 2000 millions (about 25% of world population).
Around 2000 millions (around 25% of world Muslim population),as of October 2009.
Around 1.5 Billion people are Muslims.