| # | Population | Country | Urban Area | % Correct |
|---|---|---|---|---|
| 1 | 27,925,433 | Egypt | Cairo | 99%
|
| 5 | 9,031,458 | United States | Chicago | 97%
|
| 9 | 4,383,042 | South Africa | Cape Town | 96%
|
| 27 | 2,088,197 | Denmark | Copenhagen | 96%
|
| 8 | 4,659,490 | Morocco | Casablanca | 93%
|
| 12 | 3,734,600 | Venezuela | Caracas | 92%
|
| 16 | 3,354,797 | Germany | Cologne - Bonn | 91%
|
| 30 | 1,682,509 | Canada | Calgary | 89%
|
| 36 | 1,165,502 | United Kingdom | Cardiff - Newport | 86%
|
| 2 | 11,528,915 | India | Chennai | 86%
|
| 6 | 6,013,155 | Sri Lanka | Colombo | 86%
|
| 28 | 1,985,992 | United States | Cincinnati | 84%
|
| 24 | 2,170,408 | United States | Charlotte | 83%
|
| 29 | 1,879,727 | United States | Cleveland | 83%
|
| 48 | 934,189 | Mexico | Cancún | 80%
|
| 26 | 2,096,756 | United States | Columbus | 80%
|
| 23 | 2,613,506 | Guinea | Conakry | 80%
|
| 4 | 9,768,500 | China | Chengdu | 79%
|
| 20 | 2,691,668 | Colombia | Cali | 76%
|
| 3 | 10,787,806 | China | Chongqing | 76%
|
| 7 | 5,931,615 | Bangladesh | Chittagong | 71%
|
| 31 | 1,641,558 | Argentina | Córdoba | 71%
|
| 17 | 3,327,042 | Philippines | Cebu | 62%
|
| 15 | 3,382,210 | Brazil | Curitiba | 61%
|
| 25 | 2,122,955 | Benin | Cotonou | 58%
|
| 10 | 4,115,118 | China | Changsha | 53%
|
| 33 | 1,453,325 | Russia | Chelyabinsk | 51%
|
| 38 | 1,036,100 | Colombia | Cartagena | 50%
|
| 49 | 925,714 | Belgium | Charleroi | 49%
|
| 44 | 988,065 | Mexico | Chihuahua | 48%
|
| 21 | 2,649,337 | Brazil | Campinas | 42%
|
| 34 | 1,424,509 | Bolivia | Cochabamba | 38%
|
| 11 | 4,030,430 | China | Changchun | 34%
|
| 19 | 2,787,463 | India | Coimbatore | 33%
|
| 46 | 961,861 | Angola | Cabinda | 31%
|
| 22 | 2,618,674 | India | Chandigarh | 23%
|
| 13 | 3,648,190 | China | Changzhou | 23%
|
| 35 | 1,381,982 | Vietnam | Cần Thơ | 18%
|
| 47 | 950,955 | Brazil | Cuiabá | 18%
|
| 41 | 1,003,530 | Mexico | Culiacán | 18%
|
| 43 | 989,900 | Colombia | Cúcuta | 17%
|
| 50 | 924,768 | United States | Concord - Vallejo | 16%
|
| 37 | 1,121,551 | Mexico | Cuernavaca | 15%
|
| 39 | 1,029,389 | South Korea | Changwon | 14%
|
| 14 | 3,500,617 | China | Cixi | 14%
|
| 42 | 997,273 | Philippines | Cagayan de Oro | 12%
|
| 18 | 2,887,694 | Indonesia | Cirebon | 12%
|
| 45 | 985,712 | India | Cuttack | 11%
|
| 32 | 1,454,260 | China | Cangnan | 7%
|
| 40 | 1,029,180 | China | Changshu | 7%
|