Analysis of information sources in references of the Wikipedia article "Ισλάμ ανά χώρα" in Greek language version.
The community currently numbers around 15 million spread around the world
Religion is belief in Almighty God that must be possessed by every human being. Religion can be divided into Muslim, Christian, Catholic, Hindu, Buddhist, Hu Khong Chu, and Other Religion.
They numbered about 900 million in the late 20th century and constituted nine-tenths of all the adherents of Islām.