Uh, here you go. Worldwide, these are people who claim the positions of:
Christians 32.71% (of which Roman Catholics 17.28%, Protestants 5.61%, Orthodox 3.49%, Anglicans 1.31%), Muslims 19.67%, Hindus 13.28%, Buddhists 5.84%, Sikhs 0.38%, Jews 0.23%, other religions 13.05%, non-religious 12.43%, atheists 2.41% (2002 est.)
http://www.cia.gov/cia/publications/...k/geos/xx.html