Praise be to Allah! Islam has 1.5 Billion followers. It is the fastest growing religion in the world. More people convert to Islam than to any other religion. The number of practicing Muslims is the highest in the world, christainity comes second.
Christianity and Islam are the most common religions.
Islam Islam
It is christianity, but some would claim Islam, but I agree with the first.
Islam is the religon of Muslims so people who follow the religon of Islam are Muslims.
Islam is a religon, so its the second-biggest religon in the world and the fastest-growing.
Islam
Islam
Islam Islam
It is mostly Islam.
Islam
Islam
Islam.