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Tokyo is the second-largest urban economy worldwide by gross domestic product after New York City, and is categorized as an Alpha+ city by the Globalization and World Cities Research Network. It is also Japan’s leading business hub as part of an industrial region that includes the cities of Yokohama, Kawasaki, and Chiba. As of 2021, Tokyo is home to 37 companies of the Fortune Global 500. In 2020, the city ranked fourth on the Global Financial Centres Index, behind only New York City, London, and Shanghai.
