There are about 1.57 billion Muslims in the world , according to the report . `` We do n't care only about Muslims , '' Grim said . Report by the Pew Forum on Religion & Public Life . Nearly 2 out of 3 of world 's Muslims are in Asia , report says . Comment:
There are about 1.57 billion Muslims in the world , according to the report . Report by the Pew Forum on Religion & Public Life . Nearly 2 out of 3 of world 's Muslims are in Asia , report says . Comment: