Maya Oppenheim, Vice, Racist Guards and the Myth of Radicalisation: What It's Like Being a Muslim in British Prison "In case you weren't aware, the number of Muslim prisoners has more than doubled in a decade. To put this into context, one in seven prisoners in the UK is Muslim, whereas just one in 20 of the general population is Muslim. As you'd expect, this increase has led to an onslaught of Daily Mail headlines citing prisons as self-styled hotbeds of radicalism."