List of Countries by Region

List of regions as determined by data from the Country Similarity Index, considering demographics, culture, politics, infrastructure, and geography.

List of Countries in East Asia

– China, Taiwan
– Japan, South Korea
– North Korea

List of Countries in Southeast Asia

– Cambodia, Laos, Myanmar, Thailand, Vietnam
– Singapore
– Brunei, Indonesia, Malaysia, Philippines

List of Countries in Central Asia

– Azerbaijan, Kazakhstan, Kyrgyzstan, Tajikistan, Turkey, Turkmenistan
– Mongolia
– Afghanistan (could be considered in the Middle East or Central Asia)

List of Countries in South Asia

– India
– Nepal
– Bhutan
– Bangladesh
– Sri Lanka
– Maldives
– Pakistan (could be considered in the Middle East or South Asia)

List of Countries in Middle East & North Africa

List of Countries in Arab World
– Saudi Arabia, U.A.E., Kuwait, Oman, Qatar, Bahrain, Yemen
– Egypt, Iraq, Syria, Jordan, Libya, Palestine, Morocco, Algeria, Tunisia
– Lebanon
– Sudan, Mauritania (could be considered in the Middle East or Sub-Saharan Africa)

List of Countries in the Middle East, but are outside of the Arab World
– Israel
– Iran
– Afghanistan (could be considered in the Middle East or Central Asia)
– Pakistan (could be considered in the Middle East or South Asia)

List of Countries in Sub-Saharan Africa

List of Countries in The Sahel
– Niger, Mali, Chad 
– Somalia, Djibouti
– Sudan, Mauritania (could be considered in the Middle East or Sub-Saharan Africa)

List of Countries in Ethiopic Africa
– Ethiopia, Eritrea

List of Countries in Tropical Africa
– Ivory Coast, Burkina Faso, Senegal, Guinea, Benin, Togo, Gambia, Guinea-Bissau
– Tanzania, Kenya, Uganda, Malawi, Zambia, Rwanda, Burundi
– D.R. Congo, Cameroon, Central African Rep., Rep. Congo, Gabon, Equatorial Guinea
– Nigeria, Ghana, Sierra Leone, Liberia
– Mozambique, Angola
– Madagascar 
– South Sudan
– Comoros
– Haiti (could be considered Tropical Africa or Latin America)

List of Countries in Central & South America

List of Countries in Latin America
– Mexico, Colombia, Peru, Venezuela, Guatemala, Ecuador, Dominican Rep.,
Honduras, Nicaragua, El Salvador, Costa Rica, Panama
– Argentina, Chile, Uruguay
– Bolivia, Paraguay 
– Cuba
– Brazil
– Haiti (could be considered Tropical Africa or Latin America)

List of Countries in The Caribbean
– Jamaica, Trinidad & Tobago, Bahamas
– St. Kitts & Nevis, Antigua & Barbuda, Barbados
– Dominica, Grenada, St. Lucia, St. Vincent & the Grenadines
– Guyana, Suriname 
– Belize 

List of Countries in not geographically in Central & South America, but share similar traits
– Mauritius
– Cape Verde

List of Countries in the South Pacific

– Papua New Guinea, Solomon Islands, Vanuatu, Fiji 
– Samoa, Kiribati, Marshall Islands, Nauru, Palau, Seychelles, Tonga, Tuvalu
– East Timor

List of Countries in The North & Australasia

List of Countries in The Anglo World
– United Kingdom, Australia, New Zealand, Ireland
– United States, Canada
List of Countries in Europe
– Poland, Czechia, Hungary, Bulgaria, Serbia, Slovakia, Croatia,
Bosnia & Herzegovina, North Macedonia, Slovenia, Montenegro
– Germany, France, Netherlands, Belgium, Austria, Switzerland,
Italy, Spain, Portugal, Luxembourg,
– Andorra, San Marino,Vatican City, Monaco, Liechtenstein, Malta
– Sweden, Denmark, Finland, Norway  
– Lithuania, Latvia, Estonia 
– Greece, Cyprus
– Iceland
– Romania
– Albania
List of Countries in North Eurasia
– Russia, Ukraine, Belarus
– Georgia
– Armenia
– Moldova (could be considered in Europe or North Eurasia)