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.
Muslims
Over 75–90% of Muslims are Sunni. The second and third largest sects, Shia and Ahmadiyya, make up 10–20%, and 1% respectively.