The submit or die cult stats for the UK according to Google:
Islam is the second largest religion in the United Kingdom, with results from the United Kingdom Census 2011 giving the UK Muslim population in 2011 as ~2,706,066, ~4.5% of the total population. The vast majority of Muslims in the United Kingdom live in England: 2,660,116 (5.02% of the population).
How many mosques are there in the United Kingdom?
The Muslim Council of Britain said it hoped Sunday's open day would show unity in "a tense time for faith communities". Three times as many mosques took part this year as last year, it said. There are about three million Muslims - about 5% of the population - and an estimated 1,750 mosques in the UK.Feb 7, 2016