Shi’a Islam

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Shi'a Muslims make up around 10-15% of the Muslim population worldwide. They believe that the Prophet Muhammad's cousin and son-in-law, Ali, was the rightful successor of Muhammad and that leadership should remain within the Prophet's family. Shi'a Islam is further divided into several subsects, including Twelvers, Ismailis, Zaidis, Alawis, and others, based on different interpretations of Ali's successors.