Sunni), while a 2011 estimate claims 1,000,000 inhabitants of Muslim background in the country. Muslims constitute 30–35% of the population of Brussels, 4.0% of Wallonia and 3.9% of Flanders. The majority of Belgian Muslims live in the major cities, such as Antwerp, Brussels and Charleroi. The largest group of immigrants in Belgium are Moroccans, with 400,000 people. The Turks are the third-largest group, and the second-largest Muslim ethnic group, numbering 220,000.
According to the Eurobarometer Poll in 2005, 43% of Belgian citizens responded that "they believe there is a God", whereas 29% answered that "they believe there is some sort of spirit or life force" and 27% that "they do not believe there is any sort of spirit, God, or life force"
