| Population | City | % Correct |
|---|---|---|
| 15.6 m | Beijing | 83%
|
| 12.1 m | Bangkok | 81%
|
| 24.8 m | Bangalore | 73%
|
| 7.4 m | Boston | 71%
|
| 34.1 m | Baghdad | 65%
|
| 11.2 m | Bogota | 65%
|
| 6.0 m | Belo Horizonte | 64%
|
| 16.8 m | Buenos Aires | 62%
|
| 23.0 m | Bamako | 58%
|
| 6.1 m | Barcelona | 52%
|
| 7.5 m | Brazzaville | 38%
|
| 11.1 m | Benin City | 32%
|
| 6.5 m | Bhopal | 32%
|
| 40.9 m | Blantyre City | 19%
|
| 5.9 m | Bobo Dioulasso | 4%
|