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.
Islam in Syria
In 1973 Professor Moshe Ma'oz said that the non-Arabic-speaking Sunni Muslim Kurds formed 8.3% of the population. By 1979 Dr. Nikolaos van Dam claimed that the Syrian Kurds (forming 8.5% of the population at the time) were almost exclusively Sunni Muslims. Dr Henry Munson said that Sunni Muslim Kurds formed 9% of the population in 1988, whilst Professor Alasdair Drysdale and Professor Raymond Hinnebusch said that they formed 8.5% in 1991. In recent decades, the population of other religious minorities (particularly Christians and Jews) has decreased, therefore, estimates on the proportion of Sunni Kurds has increased. For example, Dr. Pierre Beckouche has said that before 2011 the Sunni Muslim Kurds formed 9-10% of the country's total population.