20 Biggest Metropolitan Areas in the World in 2015

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19. London

Estimated Population: 13 897 000+

The nineteenth spot goes to London which has been, for quite a while, a major hub for immigrants of all sorts who mostly stay within the premises of the city for lengthy periods of time. This metropolitan area (also known as the London Commuter Belt) is the largest in European Union but not on the whole continent of Europe.

london-336468_1280 Biggest Metropolitan Areas in the World in 2015

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