| Population (millions) | Answer | % Correct |
|---|---|---|
| 22.0 | New York City | 98%
|
| 14.9 | London | 96%
|
| 11.5 | Paris | 96%
|
| 17.2 | Los Angeles | 94%
|
| 12.5 | Rio de Janeiro | 94%
|
| 21.2 | Beijing | 93%
|
| 25.1 | Mexico City | 93%
|
| 22.1 | São Paulo | 91%
|
| 16.7 | Buenos Aires | 89%
|
| 22.5 | Cairo | 88%
|
| 19.1 | Moscow | 88%
|
| 4.8 | Berlin | 87%
|
| 9.6 | Chicago | 85%
|
| 11.8 | Lima | 84%
|
| 10.4 | Bogotá | 82%
|
| 6.5 | St Petersburg | 82%
|
| 7.5 | Riyadh | 79%
|
| 2.9 | Hamburg | 78%
|
| 8.2 | Santiago | 75%
|
| 3.9 | Brasilia | 74%
|
| 3.3 | Frankfurt | 69%
|
| 15.6 | Kinshasa | 69%
|
| 6.2 | Alexandria | 67%
|
| 7.6 | Baghdad | 64%
|
| 9.3 | Luanda | 64%
|
| 12.2 | Wuhan | 64%
|
| 5.0 | Köln-Düsseldorf | 62%
|
| 12.8 | Xi’an | 61%
|
| 4.9 | Belo Horizonte | 60%
|
| 14.6 | Johannesburg | 60%
|
| 11.5 | Tianjin | 58%
|
| 5.6 | Rhine Ruhr | 56%
|
| 7.0 | Khartoum | 53%
|
| 4.4 | Montreal | 53%
|
| 17.3 | Chengdu | 51%
|
| 2.1 | Minsk | 47%
|
| 1.9 | Yekaterinburg | 46%
|
| 4.8 | Casablanca | 44%
|
| 6.8 | Abidjan | 38%
|
| 1.9 | Novosibirsk | 38%
|