According to Library of Congress, Pew Research Center, Oxford University, the CIA Factbook and other experts, adherents of Shi'a Islam in Pakistan make up between 15-20% of the country's total population. while the remaining 77% are Sunni.
Menurut Perpustakaan Kongres Amerika Serikat, Pew Research Center, Universitas Oxford, CIA, Factbook, dan pakar lainnya, penganut Islam Syiah di Pakistan merupakan 20–25% dari populasi Pakistan. sementara sisa 70–75% adalah Sunni.