| 9 | 3 Biggest Cities in each Region of Afghanistan | - | - |
| 19 | 3 Biggest Cities in each Region of Albania | - | - |
| 13 | 3 Biggest Cities in each Region of Algeria | - | - |
| 8 | 3 Biggest Cities in each Region of Andorra | - | - |
| 7 | 3 Biggest Cities in each Region of Angola | - | - |
| 19 | 3 Biggest Cities in each Region of Antigua and Barbuda | - | - |
| 17 | 3 Biggest Cities in each Region of Argentina | - | - |
| 12 | 3 Biggest Cities in each Region of Armenia | - | - |
| 27 | 3 Biggest Cities in each Region of Australia | - | - |
| 30 | 3 Biggest Cities in each Region of Austria | - | - |
| 5 | 3 Biggest Cities in each Region of Azerbaijan | - | - |
| 8 | 3 Biggest Cities in each Region of Bahrain | - | - |
| 7 | 3 Biggest Cities in each Region of Bangladesh | - | - |
| 4 | 3 Biggest Cities in each Region of Barbados | - | - |
| 10 | 3 Biggest Cities in each Region of Belarus | - | - |
| 24 | 3 Biggest Cities in each Region of Belgium | - | - |
| 7 | 3 Biggest Cities in each Region of Belize | - | - |
| 4 | 3 Biggest Cities in each Region of Benin | - | - |
| 9 | 3 Biggest Cities in each Region of Bhutan | - | - |
| 8 | 3 Biggest Cities in each Region of Bolivia | - | - |
| 15 | 3 Biggest Cities in each Region of Bosnia and Herzegovina | - | - |
| 11 | 3 Biggest Cities in each Region of Botswana | - | - |
| 28 | 3 Biggest Cities in each Region of Brazil | - | - |
| 6 | 3 Biggest Cities in each Region of Brunei | - | - |
| 22 | 3 Biggest Cities in each Region of Bulgaria | - | - |
| 3 | 3 Biggest Cities in each Region of Burkina Faso | - | - |
| 6 | 3 Biggest Cities in each Region of Burundi | - | - |
| 5 | 3 Biggest Cities in each Region of Cambodia | - | - |
| 6 | 3 Biggest Cities in each Region of Cameroon | - | - |
| 25 | 3 Biggest Cities in each Region of Canada | - | - |
| 4 | 3 Biggest Cities in each Region of Cape Verde | - | - |
| 4 | 3 Biggest Cities in each Region of Chad | - | - |
| 31 | 3 Biggest Cities in each Region of Chile | - | - |
| 22 | 3 Biggest Cities in each Region of China | - | - |
| 25 | 3 Biggest Cities in each Region of Colombia | - | - |
| 6 | 3 Biggest Cities in each Region of Comoros | - | - |
| 7 | 3 Biggest Cities in each Region of Costa Rica | - | - |
| 17 | 3 Biggest Cities in each Region of Croatia | - | - |
| 3 | 3 Biggest Cities in each Region of Cuba | - | - |
| 12 | 3 Biggest Cities in each Region of Cyprus | - | - |
| 57 | 3 Biggest Cities in each Region of Czechia | - | - |
| 27 | 3 Biggest Cities in each Region of Denmark | - | - |
| 4 | 3 Biggest Cities in each Region of Djibouti | - | - |
| 4 | 3 Biggest Cities in each Region of Dominica | - | - |
| 5 | 3 Biggest Cities in each Region of Ecuador | - | - |
| 4 | 3 Biggest Cities in each Region of Egypt | - | - |
| 9 | 3 Biggest Cities in each Region of El Salvador | - | - |
| 3 | 3 Biggest Cities in each Region of Equatorial Guinea | - | - |
| 4 | 3 Biggest Cities in each Region of Eritrea | - | - |
| 8 | 3 Biggest Cities in each Region of Estonia | - | - |
| 6 | 3 Biggest Cities in each Region of Eswatini | - | - |
| 3 | 3 Biggest Cities in each Region of Ethiopia | - | - |
| 4 | 3 Biggest Cities in each Region of Fiji | - | - |
| 19 | 3 Biggest Cities in each Region of Finland | - | - |
| 35 | 3 Biggest Cities in each Region of France | - | - |
| 5 | 3 Biggest Cities in each Region of Gabon | - | - |
| 12 | 3 Biggest Cities in each Region of Georgia | - | - |
| 69 | 3 Biggest Cities in each Region of Germany | - | - |
| 6 | 3 Biggest Cities in each Region of Ghana | - | - |
| 30 | 3 Biggest Cities in each Region of Greece | - | - |
| 4 | 3 Biggest Cities in each Region of Grenada | - | - |
| 4 | 3 Biggest Cities in each Region of Guatemala | - | - |
| 3 | 3 Biggest Cities in each Region of Guinea | - | - |
| 9 | 3 Biggest Cities in each Region of Guinea-Bissau | - | - |
| 3 | 3 Biggest Cities in each Region of Guyana | - | - |
| 6 | 3 Biggest Cities in each Region of Haiti | - | - |
| 2 | 3 Biggest Cities in each Region of Honduras | - | - |
| 23 | 3 Biggest Cities in each Region of Hungary | - | - |
| 6 | 3 Biggest Cities in each Region of Iceland | - | - |
| 18 | 3 Biggest Cities in each Region of India | - | - |
| 16 | 3 Biggest Cities in each Region of Indonesia | - | - |
| 8 | 3 Biggest Cities in each Region of Iran | - | - |
| 13 | 3 Biggest Cities in each Region of Iraq | - | - |
| 13 | 3 Biggest Cities in each Region of Ireland | - | - |
| 21 | 3 Biggest Cities in each Region of Israel | - | - |
| 46 | 3 Biggest Cities in each Region of Italy | - | - |
| 5 | 3 Biggest Cities in each Region of Ivory Coast | - | - |
| 5 | 3 Biggest Cities in each Region of Jamaica | - | - |
| 14 | 3 Biggest Cities in each Region of Japan | - | - |
| 6 | 3 Biggest Cities in each Region of Jordan | - | - |
| 10 | 3 Biggest Cities in each Region of Kazakhstan | - | - |
| 5 | 3 Biggest Cities in each Region of Kenya | - | - |
| 7 | 3 Biggest Cities in each Region of Kiribati | - | - |
| 13 | 3 Biggest Cities in each Region of Kosovo | - | - |
| 4 | 3 Biggest Cities in each Region of Kuwait | - | - |
| 5 | 3 Biggest Cities in each Region of Kyrgyzstan | - | - |
| 7 | 3 Biggest Cities in each Region of Laos | - | - |
| 9 | 3 Biggest Cities in each Region of Latvia | - | - |
| 27 | 3 Biggest Cities in each Region of Lebanon | - | - |
| 5 | 3 Biggest Cities in each Region of Lesotho | - | - |
| 5 | 3 Biggest Cities in each Region of Liberia | - | - |
| 3 | 3 Biggest Cities in each Region of Libya | - | - |
| 7 | 3 Biggest Cities in each Region of Liechtenstein | - | - |
| 10 | 3 Biggest Cities in each Region of Lithuania | - | - |
| 11 | 3 Biggest Cities in each Region of Luxembourg | - | - |
| 5 | 3 Biggest Cities in each Region of Madagascar | - | - |
| 7 | 3 Biggest Cities in each Region of Malawi | - | - |
| 12 | 3 Biggest Cities in each Region of Malaysia | - | - |
| 6 | 3 Biggest Cities in each Region of Mali | - | - |
| 8 | 3 Biggest Cities in each Region of Malta | - | - |
| 2 | 3 Biggest Cities in each Region of Marshall Islands | - | - |
| 7 | 3 Biggest Cities in each Region of Mauritania | - | - |
| 4 | 3 Biggest Cities in each Region of Mauritius | - | - |
| 18 | 3 Biggest Cities in each Region of Mexico | - | - |
| 3 | 3 Biggest Cities in each Region of Micronesia | - | - |
| 8 | 3 Biggest Cities in each Region of Moldova | - | - |
| 9 | 3 Biggest Cities in each Region of Mongolia | - | - |
| 18 | 3 Biggest Cities in each Region of Montenegro | - | - |
| 18 | 3 Biggest Cities in each Region of Morocco | - | - |
| 7 | 3 Biggest Cities in each Region of Mozambique | - | - |
| 9 | 3 Biggest Cities in each Region of Myanmar | - | - |
| 6 | 3 Biggest Cities in each Region of Namibia | - | - |
| 13 | 3 Biggest Cities in each Region of Nepal | - | - |
| 12 | 3 Biggest Cities in each Region of New Zealand | - | - |
| 2 | 3 Biggest Cities in each Region of Nicaragua | - | - |
| 3 | 3 Biggest Cities in each Region of Niger | - | - |
| 8 | 3 Biggest Cities in each Region of Nigeria | - | - |
| 6 | 3 Biggest Cities in each Region of North Korea | - | - |
| 18 | 3 Biggest Cities in each Region of North Macedonia | - | - |
| 31 | 3 Biggest Cities in each Region of Norway | - | - |
| 3 | 3 Biggest Cities in each Region of Oman | - | - |
| 14 | 3 Biggest Cities in each Region of Pakistan | - | - |
| 2 | 3 Biggest Cities in each Region of Palau | - | - |
| 8 | 3 Biggest Cities in each Region of Palestine | - | - |
| 5 | 3 Biggest Cities in each Region of Panama | - | - |
| 4 | 3 Biggest Cities in each Region of Papua New Guinea | - | - |
| 9 | 3 Biggest Cities in each Region of Paraguay | - | - |
| 9 | 3 Biggest Cities in each Region of Peru | - | - |
| 20 | 3 Biggest Cities in each Region of Poland | - | - |
| 10 | 3 Biggest Cities in each Region of Portugal | - | - |
| 4 | 3 Biggest Cities in each Region of Qatar | - | - |
| 23 | 3 Biggest Cities in each Region of Romania | - | - |
| 27 | 3 Biggest Cities in each Region of Russia | - | - |
| 3 | 3 Biggest Cities in each Region of Rwanda | - | - |
| 2 | 3 Biggest Cities in each Region of Saint Kitts and Nevis | - | - |
| 3 | 3 Biggest Cities in each Region of Saint Lucia | - | - |
| 4 | 3 Biggest Cities in each Region of Saint Vincent and the Grenadines | - | - |
| 4 | 3 Biggest Cities in each Region of Samoa | - | - |
| 4 | 3 Biggest Cities in each Region of San Marino | - | - |
| 3 | 3 Biggest Cities in each Region of São Tomé and Príncipe | - | - |
| 9 | 3 Biggest Cities in each Region of Saudi Arabia | - | - |
| 5 | 3 Biggest Cities in each Region of Senegal | - | - |
| 16 | 3 Biggest Cities in each Region of Serbia | - | - |
| 17 | 3 Biggest Cities in each Region of Sierra Leone | - | - |
| 15 | 3 Biggest Cities in each Region of Slovakia | - | - |
| 37 | 3 Biggest Cities in each Region of Slovenia | - | - |
| 2 | 3 Biggest Cities in each Region of Solomon Islands | - | - |
| 11 | 3 Biggest Cities in each Region of Somalia | - | - |
| 18 | 3 Biggest Cities in each Region of South Africa | - | - |
| 10 | 3 Biggest Cities in each Region of South Korea | - | - |
| 5 | 3 Biggest Cities in each Region of South Sudan | - | - |
| 41 | 3 Biggest Cities in each Region of Spain | - | - |
| 6 | 3 Biggest Cities in each Region of Sri Lanka | - | - |
| 9 | 3 Biggest Cities in each Region of Sudan | - | - |
| 3 | 3 Biggest Cities in each Region of Suriname | - | - |
| 24 | 3 Biggest Cities in each Region of Sweden | - | - |
| 27 | 3 Biggest Cities in each Region of Switzerland | - | - |
| 14 | 3 Biggest Cities in each Region of Syria | - | - |
| 8 | 3 Biggest Cities in each Region of Taiwan | - | - |
| 7 | 3 Biggest Cities in each Region of Tajikistan | - | - |
| 5 | 3 Biggest Cities in each Region of Tanzania | - | - |
| 6 | 3 Biggest Cities in each Region of Thailand | - | - |
| 3 | 3 Biggest Cities in each Region of The Bahamas | - | - |
| 8 | 3 Biggest Cities in each Region of The Central African Republic | - | - |
| 6 | 3 Biggest Cities in each Region of The Dominican Republic | - | - |
| 10 | 3 Biggest Cities in each Region of The DRC | - | - |
| 4 | 3 Biggest Cities in each Region of The Gambia | - | - |
| 17 | 3 Biggest Cities in each Region of The Netherlands | - | - |
| 9 | 3 Biggest Cities in each Region of The Philippines | - | - |
| 6 | 3 Biggest Cities in each Region of The Republic of Congo | - | - |
| 15 | 3 Biggest Cities in each Region of The UAE | - | - |
| 28 | 3 Biggest Cities in each Region of The United Kingdom | - | - |
| 20 | 3 Biggest Cities in each Region of The United States | - | - |
| 14 | 3 Biggest Cities in each Region of Timor-Leste | - | - |
| 4 | 3 Biggest Cities in each Region of Togo | - | - |
| 2 | 3 Biggest Cities in each Region of Tonga | - | - |
| 3 | 3 Biggest Cities in each Region of Trinidad and Tobago | - | - |
| 8 | 3 Biggest Cities in each Region of Tunisia | - | - |
| 14 | 3 Biggest Cities in each Region of Türkiye | - | - |
| 3 | 3 Biggest Cities in each Region of Turkmenistan | - | - |
| 4 | 3 Biggest Cities in each Region of Uganda | - | - |
| 11 | 3 Biggest Cities in each Region of Ukraine | - | - |
| 5 | 3 Biggest Cities in each Region of Uruguay | - | - |
| 7 | 3 Biggest Cities in each Region of Uzbekistan | - | - |
| 1 | 3 Biggest Cities in each Region of Vanuatu | - | - |
| 4 | 3 Biggest Cities in each Region of Venezuela | - | - |
| 5 | 3 Biggest Cities in each Region of Vietnam | - | - |
| 5 | 3 Biggest Cities in each Region of Yemen | - | - |
| 6 | 3 Biggest Cities in each Region of Zambia | - | - |
| 6 | 3 Biggest Cities in each Region of Zimbabwe | - | - |
