https://books.google.com/books/about/After_the_Prophet.html?id=p_QObBM3WyAC&printsec=frontcover&source=kp_read_button&_ga=2.186463215.779311417.1564970746-709711910.1564970746
In this gripping narrative history, Lesley Hazleton tells the tragic story at the heart of the ongoing rivalry between the Sunni and Shia branches of...
prophetepicstoryshiasunni
https://www.pewresearch.org/religion/2009/10/07/mapping-the-global-muslim-population20/
For the purposes of this report, sectarian differences among Muslims were simplified into two categories: Sunni and Shia. It should be noted, however,
pew research centersunni shiamethodologyestimates