.... it is widely known that Muslims have a higher birth rate than people of other faiths meaning younger generations are made up of higher proportions of Muslims. It is also apparent that many Muslim societies are dominated by conflict which has led to a significant number of Muslims seeking more secure prospects in the UK from Muslim nations like Somalia and Afghanistan.
The presence of an existing Muslim population has also played a role in encouraging Muslims to come to the UK. Prospective migrants know they will find relatives, friends or a prospective community well established here.
.... One of the little understood reasons for the growth in the number of Muslims in the UK relates to the growing number of Britons who are choosing to convert to Islam. There are estimations that hundreds of Britons convert to Islam every month which certainly contributes to the steadily increasing number of Muslims.
These conversions are triggered by a combination of increasing missionary activity by Muslims but also by a seemingly widened disaffection with Christianity. [The Huffington Post] Read more