| Hint | Population | Answer | % Correct |
|---|---|---|---|
| Nile | 9,293,612 | Cairo | 98%
|
| Danube | 1,749,734 | Budapest | 96%
|
| Danube | 1,897,491 | Vienna | 93%
|
| Mississippi | 391,006 | New Orleans | 87%
|
| Tigris | 6,719,500 | Baghdad | 86%
|
| Nile | 5,107,530 | Alexandria | 85%
|
| Rhine | 1,085,664 | Cologne | 78%
|
| Mississippi | 302,838 | St. Louis | 77%
|
| Rio Grande | 682,669 | El Paso | 75%
|
| Nile | 1,410,858 | Khartoum | 75%
|
| Danube | 1,166,763 | Belgrade | 74%
|
| Mississippi | 650,618 | Memphis | 68%
|
| Danube | 380,259 | Bratislava | 64%
|
| Mississippi | 425,403 | Minneapolis | 59%
|
| Rhine | 619,294 | Düsseldorf | 56%
|
| Tigris | 1,340,800 | Basra | 54%
|
| Rhine | 608,422 | Rotterdam | 49%
|
| Tigris | 1,361,800 | Mosul | 48%
|
| Rio Grande | 1,460,200 | Juarez | 47%
|
| Mississippi | 307,695 | St. Paul | 44%
|
| Nile | 4,212,750 | Giza | 40%
|
| Rio Grande | 560,218 | Albuquerque | 28%
|
| Rhine | 172,197 | Basel | 27%
|
| Danube | 205,726 | Linz | 25%
|
| Rhine | 279,284 | Strasbourg | 24%
|
| Nile | 1,849,649 | Omdurman | 15%
|
| Rio Grande | 699,100 | Reynosa | 15%
|
| Rio Grande | 509,800 | Matamoros | 14%
|
| Tigris | 1,010,032 | Diyarbakir | 6%
|
| Tigris | 527,500 | Amarah | 1%
|