When you rank cities based on their Gross Domestic Product (GDP), then Tokyo is the most wealthiest city in the whole world. GDP is the broadest quantitative measure of a city’s total economic activity. More specifically, its a monetary measure of market value of all final goods and services produced in a period of time. Tokyo city in Japan, outranks all other cities in the entire world as the richest with a GDP of $1,520 billion.
Here is the list of the top 10 richest cities in the world.
New York, USA
Los Angeles, USA
Seoul, South Korea