| Population | Nearest neighbor | City | % Correct |
|---|---|---|---|
| 25.2 m | North Korea | Seoul | 95%
|
| 16.8 m | Uruguay | Buenos Aires | 88%
|
| 3.43 m | Vatican City | Rome | 86%
|
| 7.85 m | United States | Toronto | 86%
|
| 16.3 m | Rep. of the Congo | Kinshasa | 84%
|
| 8.00 m | Malaysia | Singapore | 78%
|
| 14.3 m | Cambodia | Ho Chi Minh City | 71%
|
| 2.80 m | Netherlands | Brussels | 70%
|
| 3.05 m | Dominican Republic | Port-au-Prince | 69%
|
| 3.96 m | Lebanon | Damascus | 67%
|
| 5.75 m | Canada | Detroit | 67%
|
| 6.15 m | Switzerland | Milan | 66%
|
| 3.20 m | Mexico | San Diego | 65%
|
| 6.15 m | Palestinian Territories | Amman | 63%
|
| 14.6 m | India | Lahore | 62%
|
| 3.18 m | United States | Vancouver | 62%
|
| 3.45 m | Belgium | Rotterdam | 58%
|
| 5.60 m | India | Rawalpindi / Islamabad | 56%
|
| 3.85 m | Kazakhstan | Tashkent | 46%
|
| 2.93 m | Bahrain | Dammam | 25%
|