| Country | Largest | Second-Largest | % Correct |
|---|---|---|---|
| Portugal | Lisbon | Porto | 96%
|
| Germany | Berlin | Hamburg | 92%
|
| Australia | Sydney | Melbourne | 92%
|
| Belgium | Brussels | Antwerp | 88%
|
| India | Mumbai | Delhi | 88%
|
| France | Paris | Marseille | 88%
|
| Italy | Rome | Milan | 88%
|
| Brazil | São Paulo | Rio de Janeiro | 88%
|
| China | Shanghai | Beijing | 83%
|
| United Kingdom | London | Birmingham | 83%
|
| Austria | Vienna | Graz | 83%
|
| United States | New York City | Los Angeles | 83%
|
| Canada | Toronto | Montreal | 83%
|
| Ecuador | Guayaquil | Quito | 83%
|
| Russia | Moscow | Saint Petersburg | 83%
|
| Israel | Jerusalem | Tel Aviv | 83%
|
| Greece | Athens | Thessaloniki | 83%
|
| United Arab Emirates | Dubai | Abu Dhabi | 79%
|
| Egypt | Cairo | Alexandria | 79%
|
| Spain | Madrid | Barcelona | 79%
|
| Norway | Oslo | Bergen | 79%
|
| Czechia | Prague | Brno | 79%
|
| South Korea | Seoul | Busan | 79%
|
| South Africa | Johannesburg | Cape Town | 79%
|
| Argentina | Buenos Aires | Córdoba | 79%
|
| Ireland | Dublin | Cork | 79%
|
| Sweden | Stockholm | Gothenburg | 79%
|
| Vietnam | Ho Chi Minh City | Hanoi | 79%
|
| Poland | Warsaw | Kraków | 79%
|
| Netherlands | Amsterdam | Rotterdam | 79%
|
| Switzerland | Zürich | Geneva | 75%
|
| Saudi Arabia | Riyadh | Jeddah | 75%
|
| Philippines | Quezon City | Manila | 75%
|
| Algeria | Algiers | Oran | 75%
|
| Liechtenstein | Schaan | Vaduz | 75%
|
| Japan | Tokyo | Yokohama | 75%
|
| Denmark | Copenhagen | Aarhus | 71%
|
| Turkey | Istanbul | Ankara | 71%
|
| Bangladesh | Dhaka | Chittagong | 71%
|
| Morocco | Casablanca | Fez | 71%
|
| Colombia | Bogotá | Medellín | 71%
|
| Kazakhstan | Almaty | Nur-Sultan | 71%
|
| Cameroon | Douala | Yaoundé | 71%
|
| New Zealand | Auckland | Christchurch | 67%
|
| Albania | Tirana | Durrës | 67%
|
| Nigeria | Lagos | Kano | 67%
|
| Pakistan | Karachi | Lahore | 67%
|
| Kenya | Nairobi | Mombasa | 67%
|
| Croatia | Zagreb | Split | 67%
|
| Indonesia | Jakarta | Surabaya | 67%
|
| Syria | Damascus | Aleppo | 63%
|
| Libya | Tripoli | Benghazi | 63%
|
| Afghanistan | Kabul | Kandahar | 63%
|
| Sudan | Omdurman | Khartoum | 63%
|
| Hungary | Budapest | Debrecen | 58%
|
| Finland | Helsinki | Espoo | 58%
|
| Lithuania | Vilnius | Kaunas | 58%
|
| Ukraine | Kyiv | Kharkiv | 58%
|
| Serbia | Belgrade | Novi Sad | 58%
|
| Iraq | Baghdad | Basra | 54%
|
| Belarus | Minsk | Gomel | 54%
|
| Democratic Republic of the Congo | Kinshasa | Lubumbashi | 54%
|
| Equatorial Guinea | Bata | Malabo | 54%
|
| Venezuela | Caracas | Maracaibo | 54%
|
| Federated States of Micronesia | Weno | Palikir | 54%
|
| Bulgaria | Sofia | Plovdiv | 54%
|
| Sierra Leone | Freetown | Bo | 50%
|
| Iran | Tehran | Mashhad | 50%
|
| Estonia | Tallinn | Tartu | 50%
|
| Yemen | Sana'a | Aden | 46%
|
| Cuba | Havana | Santiago de Cuba | 46%
|
| Fiji | Nasinu | Suva | 46%
|
| Moldova | Chişinău | Tiraspol | 46%
|
| Malaysia | Kuala Lumpur | George Town | 42%
|
| Saint Vincent and the Grenadines | Kingstown | Georgetown | 42%
|
| Slovakia | Bratislava | Košice | 42%
|
| Ghana | Accra | Kumasi | 42%
|
| Lebanon | Beirut | Tripoli | 42%
|
| Latvia | Riga | Daugavpils | 38%
|
| Slovenia | Ljubljana | Maribor | 38%
|
| Tunisia | Tunis | Sfax | 38%
|
| Peru | Lima | Arequipa | 33%
|
| Azerbaijan | Baku | Ganja | 33%
|
| North Korea | Pyongyang | Hamhung | 33%
|
| Nicaragua | Managua | León | 33%
|
| Eswatini | Manzini | Mbabane | 33%
|
| Republic of the Congo | Brazzaville | Pointe-Noire | 33%
|
| Cambodia | Phnom Penh | Siem Reap | 33%
|
| Bosnia and Herzegovina | Sarajevo | Banja Luka | 29%
|
| Bolivia | Santa Cruz de la Sierra | El Alto | 29%
|
| Myanmar | Yangon | Mandalay | 29%
|
| Kyrgyzstan | Bishkek | Osh | 29%
|
| Honduras | Tegucigalpa | San Pedro Sula | 29%
|
| Andorra | Andorra la Vella | Escaldes-Engordany | 25%
|
| Somalia | Mogadishu | Hargeisa | 25%
|
| Romania | Bucharest | Iași | 25%
|
| Cyprus | Nicosia | Limassol | 25%
|
| Angola | Luanda | Lubango | 25%
|
| Taiwan | New Taipei City | Taichung | 25%
|
| Antigua and Barbuda | St. John's | All Saints | 21%
|
| Malawi | Lilongwe | Blantyre | 21%
|
| Zimbabwe | Harare | Bulawayo | 21%
|
| Luxembourg | Luxembourg City | Esch-sur-Alzette | 21%
|
| Bahamas | Nassau | Freeport | 21%
|
| Iceland | Reykjavík | Kópavogur | 21%
|
| Gabon | Libreville | Port-Gentil | 21%
|
| Jamaica | Kingston | Spanish Town | 21%
|
| Georgia | Tbilisi | Batumi | 17%
|
| Central African Republic | Bangui | Bimbo | 17%
|
| Burkina Faso | Ouagadougou | Bobo-Dioulasso | 17%
|
| Botswana | Gaborone | Francistown | 17%
|
| Kosovo | Pristina | Prizren | 17%
|
| Bahrain | Manama | Riffa | 17%
|
| Senegal | Dakar | Touba | 17%
|
| San Marino | Dogana | Borgo Maggiore | 13%
|
| Côte d'Ivoire | Abidjan | Bouaké | 13%
|
| Paraguay | Asunción | Ciudad del Este | 13%
|
| Ethiopia | Addis Ababa | Dire Dawa | 13%
|
| Armenia | Yerevan | Gyumri | 13%
|
| Zambia | Lusaka | Kitwe | 13%
|
| Suriname | Paramaribo | Lelydorp | 13%
|
| Comoros | Moroni | Mutsamudu | 13%
|
| Tanzania | Dar es Salaam | Mwanza | 13%
|
| Chile | Santiago | Puente Alto | 13%
|
| Guatemala | Guatemala City | Quetzaltenango | 13%
|
| Uruguay | Montevideo | Salto | 13%
|
| Barbados | Bridgetown | Speightstown | 13%
|
| East Timor | Dili | Dare | 8%
|
| Eritrea | Asmara | Keren | 8%
|
| Papua New Guinea | Port Moresby | Lae | 8%
|
| Guyana | Georgetown | Linden | 8%
|
| Mauritania | Nouakchott | Nouadhibou | 8%
|
| El Salvador | San Salvador | Santa Ana | 8%
|
| Madagascar | Antananarivo | Toamasina | 8%
|
| Turkmenistan | Ashgabat | Türkmenabat | 8%
|
| Jordan | Amman | Zarqa | 8%
|
| Palau | Koror | Airai | 4%
|
| Costa Rica | San José | Alajuela | 4%
|
| Djibouti | Djibouti | Ali Sabieh | 4%
|
| Qatar | Doha | Al Rayyan | 4%
|
| North Macedonia | Skopje | Bitola | 4%
|
| Gambia | Serekunda | Brikama | 4%
|
| Rwanda | Kigali | Butare | 4%
|
| Mexico | Mexico City | Ecatepec | 4%
|
| Guinea-Bissau | Bissau | Gabú | 4%
|
| Haiti | Port-au-Prince | Gonaïves | 4%
|
| Grenada | St. George's | Gouyave | 4%
|
| Brunei | Bandar Seri Begawan | Kuala Belait | 4%
|
| Cape Verde | Praia | Mindelo | 4%
|
| Chad | N'Djamena | Moundou | 4%
|
| Montenegro | Podgorica | Nikšić | 4%
|
| Guinea | Conakry | Nzérékoré | 4%
|
| Bhutan | Thimphu | Phuntsholing | 4%
|
| Nepal | Kathmandu | Pokhara | 4%
|
| Dominica | Roseau | Portsmouth | 4%
|
| Belize | Belize City | San Ignacio | 4%
|
| Dominican Republic | Santo Domingo | Santiago de los Caballeros | 4%
|
| Mali | Bamako | Sikasso | 4%
|
| Lesotho | Maseru | Teyateyaneng | 4%
|
| South Sudan | Juba | Yei | 4%
|
| Niger | Niamey | Zinder | 4%
|
| Benin | Cotonou | Abomey-Calavi | 0%
|
| Maldives | Malé | Addu City | 0%
|
| Kuwait | Kuwait City | Al Jahra | 0%
|
| Seychelles | Victoria | Anse Boileau | 0%
|
| Tuvalu | Funafuti | Asau | 0%
|
| Kiribati | Betio | Bairiki | 0%
|
| Mauritius | Port Louis | Beau Bassin-Rose Hill | 0%
|
| Saint Kitts and Nevis | Basseterre | Charlestown | 0%
|
| Sri Lanka | Colombo | Dehiwala-Mount Lavinia | 0%
|
| Nauru | Yaren | Denigomudu | 0%
|
| Mongolia | Ulaanbaatar | Erdenet | 0%
|
| Liberia | Monrovia | Ganta | 0%
|
| Solomon Islands | Honiara | Gizo | 0%
|
| Saint Lucia | Castries | Gros Islet | 0%
|
| Tajikistan | Dushanbe | Khujand | 0%
|
| Monaco | Monaco | La Condamine | 0%
|
| Vanuatu | Port Vila | Luganville | 0%
|
| Mozambique | Maputo | Matola | 0%
|
| Burundi | Bujumbura | Muyinga | 0%
|
| Uzbekistan | Tashkent | Namangan | 0%
|
| Uganda | Kampala | Nansana | 0%
|
| Tonga | Nuku'alofa | Neiafu | 0%
|
| Thailand | Bangkok | Nonthaburi | 0%
|
| Laos | Vientiane | Pakxe | 0%
|
| Marshall Islands | Ebeye | Rita | 0%
|
| Namibia | Windhoek | Rundu | 0%
|
| Trinidad and Tobago | Chaguanas | San Fernando | 0%
|
| Panama | Panama City | San Miguelito | 0%
|
| Oman | Muscat | Seeb | 0%
|
| Togo | Lomé | Sokodé | 0%
|
| São Tomé and Príncipe | São Tomé | Trindade | 0%
|
| Samoa | Apia | Vaitele | 0%
|