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.
Iraqi Americans
However, according to the 2000 Census, in which it states that just under 90,000 people born in Iraq are resident in the United States. It has also covered information on the residents ancestry or ethnic origin, which show 33,000 people claiming only "Iraqi" ancestry, nearly 38,000 if those who wrote in another reply as well as "Iraqi" are included. A further 82,000 people were reported as "Assyrians/Chaldean/Syriac," who are Christians. Nearly 206,000 others gave their ancestry as "Arabic" without specifying a country of origin, and many of them are likely to be from Iraq. Of those reporting Iraqi ancestry, 29 percent live in Michigan; 22% live in Texas and 20% in Illinois. Of those reporting Assyrian ancestry, 42 percent live in Michigan. California has nearly 20 percent of the Iraqi American population.