| Year | Rank | Population | Answer | % Correct |
|---|---|---|---|---|
| 1800 | 1. | 861,000 | London | 100%
|
| 1810 | 1. | 1m | London | 100%
|
| 1820 | 1. | 1.2m | London | 100%
|
| 1830 | 1. | 1.5m | London | 100%
|
| 1840 | 1. | 1.9m | London | 100%
|
| 1850 | 1. | 2.3m | London | 100%
|
| 1860 | 1. | 3.1m | London | 100%
|
| 1870 | 1. | 3.8m | London | 100%
|
| 1880 | 1. | 4.6m | London | 100%
|
| 1890 | 1. | 5.5m | London | 100%
|
| 7. | 356,000 | Berlin | 98%
| |
| 5. | 452,000 | Berlin | 98%
| |
| 4. | 683,000 | Berlin | 98%
| |
| 3. | 897,000 | Berlin | 98%
| |
| 3. | 1.4m | Berlin | 98%
| |
| 3. | 2.1m | Berlin | 98%
| |
| 3. | 547,000 | Paris | 98%
| |
| 2. | 671,000 | Paris | 98%
| |
| 2. | 796,000 | Paris | 98%
| |
| 2. | 956,000 | Paris | 98%
| |
| 2. | 1.1m | Paris | 98%
| |
| 2. | 1.3m | Paris | 98%
| |
| 2. | 1.6m | Paris | 98%
| |
| 2. | 2m | Paris | 98%
| |
| 2. | 2.4m | Paris | 98%
| |
| 2. | 2.8m | Paris | 98%
| |
| 2. | 570,000 | Constantinople | 95%
| |
| 3. | 612,000 | Constantinople | 95%
| |
| 3. | 654,000 | Constantinople | 95%
| |
| 3. | 699,000 | Constantinople | 95%
| |
| 3. | 742,000 | Constantinople | 95%
| |
| 3. | 786,000 | Constantinople | 95%
| |
| 3. | 822,000 | Constantinople | 95%
| |
| 5. | 856,000 | Constantinople | 95%
| |
| 6. | 879,000 | Constantinople | 95%
| |
| 5. | 300,000 | Moscow | 95%
| |
| 5. | 307,000 | Moscow | 95%
| |
| 6. | 290,000 | Moscow | 95%
| |
| 7. | 308,000 | Moscow | 95%
| |
| 7. | 557,000 | Moscow | 95%
| |
| 7. | 220,000 | St Petersburg | 91%
| |
| 6. | 308,000 | St. Petersburg | 91%
| |
| 4. | 396,000 | St. Petersburg | 91%
| |
| 4. | 452,000 | St. Petersburg | 91%
| |
| 4. | 478,000 | St. Petersburg | 91%
| |
| 4. | 506,000 | St. Petersburg | 91%
| |
| 6. | 614,000 | St. Petersburg | 91%
| |
| 6. | 714,000 | St. Petersburg | 91%
| |
| 5. | 912,000 | St. Petersburg | 91%
| |
| 5. | 1.2m | St. Petersburg | 91%
| |
| 6. | 247,000 | Vienna | 91%
| |
| 7. | 263,000 | Vienna | 91%
| |
| 7. | 280,000 | Vienna | 91%
| |
| 6. | 318,000 | Vienna | 91%
| |
| 6. | 373,000 | Vienna | 91%
| |
| 6. | 433,000 | Vienna | 91%
| |
| 5. | 671,000 | Vienna | 91%
| |
| 4. | 891,000 | Vienna | 91%
| |
| 4. | 1.1m | Vienna | 91%
| |
| 4. | 1.4m | Vienna | 91%
| |
| 7. | 483,000 | Manchester | 83%
| |
| 7. | 772,000 | Manchester | 83%
| |
| 6. | 1.1m | Manchester | 83%
| |
| 4. | 430,000 | Naples | 82%
| |
| 4. | 398,000 | Naples | 82%
| |
| 5. | 365,000 | Naples | 82%
| |
| 5. | 363,000 | Naples | 82%
| |
| 5. | 388,000 | Naples | 82%
| |
| 7. | 413,000 | Naples | 82%
| |
| 7. | 945,000 | Birmingham | 80%
|