Wealth Insight has released its world city millionaire and billionaire rankings. Top of the billionaires list is New York City, with a total of 70 billionaires, including this man, David Koch, who has an estimated wealth of $34bn.
Second on the list is Moscow, home to Alisher Usmanov who is one of 64 billionaires living in the city.
London in the UK has 54 billionaires living within it, including Virgin founder Richard Branson.
Li Ka-Shing is one of 40 billionaires in Hong Kong – fourth in the top 20 list.
Beijing comes fifth on the list, with 29 billionaires. Founder and CEO of Baidu, Robin Li, among its residents.
Chairman of Reliance Industries, Mukesh Ambani, is one of 26 billionaires living in Mumbai.
Istanbul is ranked seventh, with 24 billionaires, including media mogul Aydin Dogan.
Guo Guangchang is one of 23 billionaires in Shanghai, the city with the eighth most billionaires in the world.
Paris is ninth on the list with 22 billionaires, including CEO of luxury goods maker LVMH, Bernard Arnault.
Nineteen billionaires live in Los Angeles, one of who is Patrick Sonn-Shiong.
Chairman and president of BYD Company is one of 19 billionaires in Shenzhen, which is the city with the eleventh most billionaires.
The USA dominated the list, with six of its cities ranking in the top 20. One of these American cities is Chicago, home to hotels billionaire Penny Pritzker.
Robert Ng and his brother Philip are among the thirteen billionaires living in Singapore, which ranks at number thirteen.
Tokyo in Japan is the city with the fourteenth highest number of billionaires, with Tadashi Yanai among the twelve living there.
Internet billionaire Ma Huateng is one of Guangzhou’s twelve billionaires.
Sixteenth on the list is San Francisco, with eleven billionaire including co-founder of clothes shop Gap, Doris Fisher.
Another American city, Dallas, ranks seventeenth, with banking and real estate billionaire among its residents.
Dubai comes eighteenth in the top 20, with eleven billionaires, including Majid Al Futtaim.
Houston, Texas is America’s sixth and final city in the top 20. One of its ten billionaires is chairman and CEO of Kinder Morgan, Richard Kinder.
Sao Paulo completes the top 20 of cities with the most billionaires, with ten living within its boundaries including Brazil’s richest man, Jorge Paulo Lemann.