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.
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%.