According to Forbes' World's Billionaires 2022 list, the US has the most number of billionaires at 735. This is followed by 539 in China, a drop from 626 last year. India is ranked third with 166 billionaires, followed by 134 in Germany, 83 in Russia, 67 in Hong Kong, 64 in Canada, 62 in Brazil and 52 in Italy.