The second largest Shi‘i Muslim community after the Ithna‘ashari or Twelvers, the Ismailis have had a long and complex history dating back to the formative period of Islam. Subsequently, they became subdivided into a number of major branches and minor groups. However, since the beginning of the 12th century CE, the Ismailis have existed in terms of two main branches, the Nizaris and the Tayyibi Must‘alians, who have been respectively designated as Khojas and Bohras in South Asia. The Tayyibis themselves were in due course split into the dominant Da’udi and minority Sulaymani and ‘Alavi communities. Currently, the Ismailis of different communities are dispersed as religious minorities in more than 25 countries of Asia, the Middle East, Africa, Europe and North America.
via The Institute of Ismaili Studies – A Modern History of the Ismailis: Continuity and Change in a Muslim Community
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Ismailimail 