Данные по всей Великобритании на 2011 год (Википедия): Black residents constituted around 3 per cent of the United Kingdom's population in 2011. The figures have increased from just under 1.15 million residents in 2001, or 2 per cent of the population, to just over 1.9 million in 2011.
Почти 2 миллиона их, негров.

https://en.m.wikipedia.org/wiki/Black_British