London's population is the youngest in the UK: London's age profile is younger than that of the UK as a whole, with an average age of 34.0 years in 2012, compared with 39.7 years for the UK.
Crime rates are the highest in England: Crime rates in 2012/13 in London were the highest in England. There were 95 police-recorded crimes per 1,000 population compared with 64 per 1,000 population across England.
London generates a fifth of the UK’s total economic output: The region generated over a fifth (22%) of the UK's total economic output in 2011, a share larger than any of the English regions, and a larger share than for Wales, Scotland or Northern Ireland.
More top news
Elena Veronica Ciochina left her home in Newham on Saturday night and hasn't been seen since.
The internet's favourite grumpy feline has flown over from the US to take in the sights of London but looks less than impressed.
Nero jumped a fence in Watford which had a 12-foot drop the other side.