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 Pakistan
According to the CIA World Factbook and Oxford Centre for Islamic Studies, 95-97% of the total population of Pakistan is Muslim.
The majority of the Pakistani Muslims belong to the Sunni Hanafi Madhhab (school of jurisprudence). Estimates on the Sunni population in Pakistan range from 75% to 95%.