| According to “Forbes, 2021” list of the city has the highest number of billionaire’s |
| Rank | City | Country | Billionaires |
| 1 | Beijing | China | 100 |
| 2 | New York City | United States | 99 |
| 3 | Hong Kong | China | 80 |
| 4 | Moscow | Russia | 79 |
| 5 | Shenzhen | China | 68 |
| 6 | Shanghai | China | 64 |
| 7 | London | United Kingdom | 63 |
| 8 | Mumbai | India | 48 |
| 9 | San Francisco | United States | 48 |
| 10 | Hangzhou | China | 47 |