Even more than the Evangelical growth (between 600,000 and 750,000 Evangelicals in today's France), the Muslim growth is "the" big religious news of the last 40 years.
In 2011 France, there are an estimated five million Muslims living in the country. A century ago, they were referred to as "colonials". During the 1960s, they were known as "immigrants". Today, they are "citizens".
But how have the challenges facing each generation of immigrants changed?