Shia Islam is the second-largest denomination of Islam: in 2009, Shia Muslims constituted 10%-13% of the world's Muslim population, and between 68% and 80% of Shias live in four countries: Iran, Pakistan, Iraq, and India.
Tiro koob la sameeyay 2009kii ayaa lagu ogaadey in Shiicadu tahay 13% shacabka Islaamka caalamka; in 14% ay ka tahay muslimiinta bariga-dhexe; iyo in 70% ilaa 80% Shiicada caalamka oo dhan ku nool yihiin afar wadan oo kala ah: Iiraan, Ciraaq, Hindiya iyo Bakistaan.