Islam does not have any followers.
Islam . Muslims believe that Islam is the complete and universal version of a primordial faith that was revealed many times before through prophets including Adam , Abraham , Moses , and Jesus . About 13 % of Muslims live in Indonesia , the largest Muslim-majority country , 31 % in South Asia , the largest population of Muslims in the world , 23 % in the Middle East-North Africa , where it is the dominant religion , and 15 % in Sub-Saharan Africa . Sizable Muslim communities are also found in the Americas , Caucasus , China , Europe , Mainland Southeast Asia , Philippines and Russia .