Which religion is older - Christianity or Islamic faith?

600 years after the birth of Christianity Muhammad began a new religion, Islam, a revised type of Judaism with some Christian overtones. Many Islamic laws/sharia are based on Judaism halacha/law (such as tithing, hospitality, daily prayers, covering head). read more

Easy answer: Christianity. And, of course, Judaism is older still, being the original monotheism, upon whose scriptures (the so called “Old Testament”) Christianity is explicitly based. read more

Historically speaking, Hinduism, Zoroastrianism, Judaism, Christianity, and Manichaeism are older than Islam. Theologically speaking, Muslims believe that Islam (belief in and worship of one God) is the original (or rather oldest) monotheistic religion in the world. read more