There are about 1.57 million Muslims in the world , according to the report . Report by the Pew Forum on Religion & Public Policy . Nearly 2 out of 3 of world 's Muslims are in Asia , report says . Roughly 9 of 10 Muslims worldwide are Sunni , report says .
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 . Roughly 9 of 10 Muslims worldwide are Sunni , report says .