Religion in Iraq
Islam is the official state religion in the Republic of Iraq, but the constitution guarantees freedom of religion. Iraq is a multi ethnic and multi religious country with Islam, Christianity, Yazdanism, Zoroastrianism, Shabakism, Judaism, Mandaeism, Bahā'i, Ahl-e Haqq-Yarsanis, Ishikism and numerous other religions all having a presence in the country. Shia Islam is the main religion in Iraq followed by 60–65% of the population, while Sunni Islam is followed by 32–37% of the people. Many cities throughout Iraq have been areas of historical prominence for both Shia and Sunni Muslims, including Najaf, Karbala, Baghdad and Samarra.
Iraq
A report published by the European Parliamentary Research Service suggests that in 2015 there was 24 million Arabs (15 million Shia and 9 million Sunni); 4 million Sunni Kurds (plus 500,000 Shia Faili Kurds and 200,000 Kaka'i); 3 million Iraqi Turkmen/Turkoman; 1 million Black Iraqis; 500,000 Christians (including Assyrians and Armenians); 500,000 Yazidis; 250,000 Shabaks; 50,000 Roma; 3,000 Sabean-Mandaeans; 2,000 Circassians; 1,000 Baha'i; and a few dozen Jews.