Abrahamic religions as adherents of an Abrahamic religion, about 32% as adherents of other religions, and 16% as adherents of no organized religion. Christianity claims 33% of the world's population, Islam has 21%, Judaism has 0.2% and the Bahá'í Faith represents around 0.1%. It was suggested by Louis Massignon that the phrase "Abrahamic religion" means that all these religions come from one spiritual source. Paul the Apostle referred to Abraham as the "father of us all". There is a Quranic term, "millat Ibrahim", 'religion of Ibrahim', indicating that Islam sees itself as standing in a tradition of religious practice from Abraham. Jewish
Islam and other religions Arab conquest of the Buddhist center of Balkh, a Quranic commentator was denounced for anthropomorphism, a standard attack on those sympathetic to Buddhism. Hiwi al-Balkhi had attacked the authority of Quran ad revealed religions, reciting the claims of Zoroastrianism, Christianity and Judaism. In the early 11th century, the Islamic scholar Abū Rayhān Bīrūnī wrote detailed comparative studies on the anthropology of religions across the Middle East, Mediterranean and especially the Indian subcontinent. Biruni's anthropology of religion was only possible for a scholar deeply immersed in the lore of other nations. He carried out extensive, personal investigations of the peoples, customs,