| Top 10 Cities of the Year 1800 | |
| Name | Population | |
| 1 | Beijing, China | 1,100,000 |
| 2 | London, United Kingdom | 861,000 |
| 3 | Guangzhou, China | 800,000 |
| 4 | Edo (Tokyo), Japan | 685,000 |
| 5 | Constantinople (Istanbul), Turkey | 570,000 |
| 6 | Paris, France | 547,000 |
| 7 | Naples, Italy | 430,000 |
| 8 | Hangzhou, China | 387,000 |
| 9 | Osaka, Japan | 383,000 |
| 10 | Kyoto, Japan | 377,000 |
Most Populous City Through History | Top 10 Cities of the Year 100 | Top 10 Cities of the Year 1000 | Top 10 Cities of the Year 1500 | Top 10 Cities of the Year 1800 | Top 10 Cities of the Year 1900 | Top 10 Cities of the Year 1950
Source: Four Thousand Years of Urban Growth: An Historical Census by Tertius Chandler. 1987, St. David's University Press.
