| Sea | Population | Country | % Correct |
|---|---|---|---|
| South China | 1.45b | China | 91%
|
| Mediterranean, North | 67.5m | France | 91%
|
| Mediterranean | 60.5m | Italy | 91%
|
| Caribbean | 128.9m | Mexico | 91%
|
| North | 67.9m | United Kingdom | 90%
|
| Caribbean | 11.3m | Cuba | 89%
|
| North, Baltic | 83.8m | Germany | 89%
|
| Baltic | 145.9m | Russia | 89%
|
| Mediterranean | 46.8m | Spain | 89%
|
| Arabian | 1.38b | India | 88%
|
| Mediterranean | 102.3m | Egypt | 86%
|
| Baltic | 10.1m | Sweden | 85%
|
| Mediterranean | 84.3m | Turkey | 84%
|
| Baltic | 5.8m | Denmark | 81%
|
| Baltic | 37.8m | Poland | 81%
|
| South China | 273.5m | Indonesia | 79%
|
| Arabian | 84.0m | Iran | 79%
|
| North | 17.1m | Netherlands | 79%
|
| Arabian | 220.9m | Pakistan | 79%
|
| Caribbean | 50.8m | Colombia | 78%
|
| Caribbean | 28.4m | Venezuela | 77%
|
| South China | 97.3m | Vietnam | 76%
|
| North | 11.6m | Belgium | 75%
|
| South China | 109.6m | Philippines | 73%
|
| South China | 32.4m | Malaysia | 69%
|
| Caribbean | 17.9m | Guatemala | 68%
|
| Arabian | 29.8m | Yemen | 61%
|
| Arabian | 15.9m | Somalia | 51%
|