London is draining the twentysomethings out of the rest of Britain. “In the City of London, Camden and Tower Hamlets, the proportion of twentysomethings has risen to 13 per cent, while it has fallen by 1.7 per cent to 6.6 per cent across Britain as a whole. In Wandsworth, 16 per cent of residents are aged 25 to 29. The influx of young people in some parts of London is up by 4.8 per cent in ten years.”