Demographics
Seine-Saint-Denis is the French department with the highest proportion of immigrants: 21.7% at the 1999 census (see table below). This figure does not include the children of immigrants born on French soil as well as some native elites from former French colonies and people who came from overseas France. The ratio of ethnic minorities is difficult to estimate accurately as French law prohibits the collection of ethnic data for census taking purposes. However estimates suggest there are 500,000 Muslims out of a total population of 1.4 million. Saint-Denis is home to the Union of French Islamic Organizations (UOIF) in the Bourget district, which annually hosts one of Europe's major Muslim conferences, Paris-le-Bourget.
In 2005, 56.7% of young under 18 were of foreign origin including 38% of African origin (22% from Maghreb and 16% from Sub-Saharan Africa). Islam is believed to be the most practiced religion in the department.
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