With 58 billionaires, New York City tops the list of wealthiest cities in the world. Tokyo and The Bay Area are in second and third place, respectively.

Four US cities made the top 10 list in a study of high-net-worth people (HNWIs) with investable wealth of over $1 million: New York City, the Bay Area, Los Angeles, and Chicago.

Beijing and Shanghai, two cities in China, were also included in the list, and London came in at number four.

New York maintained its top ranking. Sydney ranks 10th with 1,26,900 HNWIs, whereas Singapore ranks fifth with 2,40,100 HNWIs.

Mumbai, which has 59,400 HNWIs, came in at number one in India, followed by Delhi (16 billionaires), Bengaluru (8 billionaires), Hyderabad (5 billionaires), and Kolkata (7 billionaires).

With 63 billionaires living in the area around Silicon Valley and San Francisco, California's Area came out on top in terms of billionaires. New York, Beijing, Los Angeles, and Shanghai came after it.

The number of millionaires fell by 44 percent from a decade earlier in Moscow and by 38 percent in St. Petersburg as a result of Russia's invasion of Ukraine.