An Abrahamic religion is a religion whose followers believe in prophet Abraham and his descendants to hold an important role in human spiritual development. The best known Abrahamic religions are Judaism, Christianity and Islam. Smaller religious traditions sometimes included as Abrahamic religions are Samaritanism, Druze, Rastafari, Yazidi, Babism, Bahá'í Faith. Mandaeism is also sometimes included as an Abrahamic religion, but this actually inaccurate as Mandaeans believe that Abraham was a false prophet.
True Abrahamic religions are monotheistic. They also all believe that people should pray to and worship God often. Of monotheistic religions, the Abrahamic religions have the world's largest number of followers.