Top 10 Richest Cities In The World

4. London, U.K.

Insider Monkey’s Score: 6.33

London is the capital of the United Kingdom. It is Europe’s biggest financial center, and the City of London, a separate jurisdiction within London, is known for the crucial role that it plays in the global financial industry. London often tops lists of the world’s leading financial centers, and it has played this role for decades, especially during the peak of the British Monarchy. London is also home to a large number of Britain and Europe’s largest companies.