as per THE CHRISTIAN SCIENCE MONTIOR WEEKLY, 3-4-13
620,000 white brits have left london since 2000...
2011 demographics say it all:
According to the Office for National Statistics, based on the 2011 Census estimates, 59.8 per cent of the 8,173,941 inhabitants of London were White, with 44.9 per cent White British, 2.2 per cent White Irish, 0.1 per cent gypsy/Irish traveller and 12.1 per cent classified as Other White.
20.9 per cent of Londoners are of Asian and mixed-Asian descent. 19.7 per cent of Londoners are of full Asian descent, with those of mixed-Asian heritage comprising 1.2 of the population. Indians account for 6.6 per cent of the population, followed by Pakistanis and Bangladeshis at 2.7 per cent each. Chinese peoples account for 1.5 per cent of the population, with Arabs comprising 1.3 per cent. A further 4.9 per cent of Londoners are classified as "Other Asian".
15.6 per cent of London's population are of Black and mixed-Black descent. 13.3 per cent of Londoners are of full Black descent, with those of mixed-Black heritage comprising 2.3 per cent of the population. Black Africans account for 7.0 per cent of London's population, with 4.2 per cent as Black Caribbean and 2.1 per cent as "Other Black".
5.0 per cent of Londoners are of mixed race.