Demographics of Iraq
97% of Iraqis follow Islam: 61% Shia and 34% Sunni. 1% of these describe themselves as "Just a Muslim". According to the CIA Factbook, Shias make up 60% of population, while Sunnis 35%. Christianity accounts for 5%, and the rest practice Mandaeism, Yazidism and other religions.
Islam in Karachi
Nearly 97% of the population of Karachi is Muslim. There is also a small number of Ahmadi Muslims. The Sunnis follow Hanafi fiqh while Shi'ites are predominantly Ithnā‘Ashariyyah in fiqh, with significant minority groups who follow Ismaili Fiqh, which is composed of Nizari (Aga Khanis), Mustaali, Dawoodi Bohra and Sulaymani fiqhs. The Sunni Hanafis are divided into the Barelvi and Deobandi sects and both have their own mosques.