* New York has 146 billionaires - the highest concentration of any city * Chinese cities Shenzhen, Shanghai and Beijing rank in the top four globally * Asia is home to 58% of the billionaires on the list
* New York has 146 billionaires - the highest concentration of any city * Chinese cities Shenzhen, Shanghai and Beijing rank in the top four globally * Asia is home to 58% of the billionaires on the list
