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.
Humanitarian crises of the Iraq War
Although Christians represent less than 5% of the total Iraqi population, they make up 40% of the refugees now living in nearby countries, according to U.N. High Commissioner for Refugees. UNHCR estimates that Christians comprise 24% of Iraqis currently seeking asylum in Syria. The census in 1987 counted 1.4 million Christians, however since the 2003 invasion radicalized Iraqi culture, the total number of Christians dropped to about 500,000, half of which live in Baghdad.