| Rank | Population | Answer | % Correct |
|---|---|---|---|
| #13 | 22.0 | New York City | 100%
|
| #27 | 14.9 | London | 98%
|
| #18 | 19.1 | Moscow | 98%
|
| #39 | 11.5 | Paris | 95%
|
| #36 | 12.5 | Rio de Janeiro | 95%
|
| #22 | 17.2 | Los Angeles | 90%
|
| #8 | 25.1 | Mexico City | 90%
|
| #17 | 20.7 | Lagos | 88%
|
| #77 | 6.65 | Madrid | 88%
|
| #12 | 22.1 | São Paulo | 85%
|
| #23 | 16.7 | Buenos Aires | 83%
|
| #10 | 22.5 | Cairo | 83%
|
| #48 | 9.65 | Chicago | 83%
|
| #45 | 10.4 | Bogotá | 80%
|
| #73 | 7.05 | Houston | 80%
|
| #38 | 11.8 | Lima | 80%
|
| #55 | 8.25 | Santiago | 80%
|
| #67 | 7.45 | San Francisco | 78%
|
| #25 | 15.9 | Istanbul | 75%
|
| #29 | 14.6 | Johannesburg | 73%
|
| #26 | 15.6 | Kinshasa | 73%
|
| #76 | 6.70 | Nairobi | 73%
|
| #62 | 7.70 | Toronto | 73%
|
| #64 | 7.65 | Dallas | 70%
|
| #50 | 9.35 | Luanda | 63%
|
| #61 | 7.70 | Boston | 58%
|
| #54 | 8.55 | Washington | 53%
|
| #72 | 7.05 | Khartoum | 50%
|
| #65 | 7.50 | Philadelphia | 50%
|
| #75 | 6.80 | Abidjan | 38%
|