The religiously motivated terror attacks in France last week have exacerbated anti-Islamic sentiments across Europe, with a record 25,000 people joining anti-immigrant protests in Germany on Monday.
But even as polls show anti-Islamist sentiment rising, Islam is the fastest-growing religion in Europe. Nearly 5 million Muslims live in France, the largest Muslim population in Europe, and some 4 million live in Germany.
In the video above, TIME foreign correspondent Simon Shuster discusses how French colonialism and immigration policies throughout Europe helped fuel migration from the Muslim world.
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