| Rank | City | Population | Date |
|---|---|---|---|
| 1 | Tokyo | 37,435,191 | Oct 2020 |
| 2 | Delhi | 28,514,000 | Jul 2021 |
| 3 | Shanghai | 26,320,000 | Feb 2020 |
| 4 | São Paulo | 12,325,000 | Aug 2020 |
| 5 | Beijing | 21,542,000 | Nov 2020 |
Note: Figures and dates vary by source; these reflect commonly cited metropolitan estimates.