Greater London - Demography

Demography

With increasing industrialisation, London's population grew rapidly throughout the 19th and early 20th centuries, and was the most populated city in the world until overtaken by New York in 1925. Its population peaked at 8,615,245 in 1939. There were an estimated 7,753,600 official residents in Greater London in mid-2009.

London's continuous urban area extends beyond the borders of Greater London and was home to an estimated 9,332,000 people in 2005, while its wider metropolitan area has a population of between 12 and 14 million depending on the definition of that area. According to Eurostat, London is the most populous city and metropolitan area of the European Union.

The region covers an area of 1,579 square kilometres. The population density is 4,761 people per square kilometre, more than ten times that of any other British region. In terms of population, London is the 25th largest city and the 17th largest metropolitan region in the world. It is ranked 4th in the world in the number of US dollar billionaires residing in the city. It ranks as one of the most expensive cities in the world, alongside Tokyo and Moscow.