Islam is the 2nd largest religion in the world next to Christianity and by some estimates, the fastest-growing religion. Sikhism is one of the youngest of the major world religions, and the world's fifth-largest organized religion in the world. Although often confused, Sikhism is a distinct religion, separate from Hinduism and Islam. Let’s look at the differences between Sikhism and Islam to learn the distinct practices and beliefs they have. | FTD Facts