IIASA-POP World Regions
13 World Regions
(in alphabetical order)
| Kazakhstan | Tajikistan | Uzbekistan |
| Kyrgyzstan | Turkmenistan | |
| Cambodia | Laos | Taiwan |
| China | Mongolia | Vietnam |
| Hong Kong | North Korea | |
| Albania | Czech Republic | Romania |
| Bosnia-Herzegovina | Hungary | Slovak Republic |
| Bulgaria | Macedonia | Slovenia |
| Croatia | Poland | Yugoslavia |
| Armenia | Georgia | Russian Federation |
| Azerbaijan | Latvia | Ukraine |
| Belarus | Lithuania | |
| Estonia | Moldova | |
| Antigua & Barbuda | Dominican Republic | Netherlands Antilles |
| Argentina | Ecuador | Nicaragua |
| Bahamas | El Salvador | Panama |
| Barbados | French Guiana | Paraguay |
| Belize | Grenada | Peru |
| Bermuda | Guadeloupe | St. Kitts & Nevis |
| Bolivia | Guatemala | St. Lucia |
| Brazil | Guyana | St. Vincent |
| Chile | Haiti | Surinam |
| Colombia | Honduras | Trinidad & Tobago |
| Costa Rica | Jamaica | Uruguay |
| Cuba | Martinique | Venezuela |
| Dominica | Mexico | |
| Bahrain | Kuwait | Syria |
| Iran | Lebanon | United Arab Emirates |
| Iraq | Oman | Yemen |
| Israel | Qatar | |
| Jordan | Saudi Arabia | |
| Algeria | Libya | Sudan |
| Egypt | Morocco | Tunisia |
| Canada | Puerto Rico | USA |
| Guam | Virgin Islands |
|
| Australia | Japan | New Zealand |
| American Samoa | Malaysia | South Korea |
| Brunei | Myanmar | Thailand |
| East Timor | New Caledonia | Tonga |
| Fiji | Papua New Guinea | Vanuatu |
| French Polynesia | Philippines | Western Samoa |
| Indonesia | Singapore | |
| Kiribati (Gilbert Islands) | Solomon Islands | |
| Afghanistan | India | Pakistan |
| Bangladesh | Maldives | Sri Lanka |
| Bhutan | Nepal | |
| Angola | Gabon | Réunion |
| Benin | Gambia | Rwanda |
| Botswana | Ghana | St. Helena |
| British Indian Ocean Territory | Guinea | Sao Tomé and Principe |
| Burkina Faso | Guinea-Bissau | Senegal |
| Burundi | Kenya | Sierra Leone |
| Cameroon | Lesotho | Seychelles |
| Cape Verde | Liberia | Somalia |
| Central African Republic | Madagascar | South Africa |
| Chad | Malawi | Swaziland |
| Comoros | Mali | Tanzania |
| Congo | Mauritania | Togo |
| Côte d'Ivoire | Mauritius | Uganda |
| Djibouti | Mozambique | Zaire |
| Equatorial Guinea | Namibia | Zambia |
| Eritrea | Niger | Zimbabwe |
| Ethiopia | Nigeria | |
| Andorra | Germany | Malta |
| Austria | Gibraltar | Monaco |
| Azores | Greece | Netherlands |
| Belgium | Greenland | Norway |
| Canary Islands | Iceland | Portugal |
| Channel Islands | Ireland | Spain |
| Cyprus | Isle of Man | Sweden |
| Denmark | Italy | Switzerland |
| Faeroe Islands | Liechtenstein | Turkey |
| Finland | Luxembourg | United Kingdom |
| France | Madeira | |
Definition of the IIASA-POP Sub-Regions
Six Aggregated World Regions
| North Africa | Eastern Europe |
| Sub-Saharan Africa | European FSU |
| | Western Europe |
| China & CPA | Central Asia |
| Pacific Asia | Middle East |
| Pacific OECD | South Asia |
Two Economic Regions
| North America | Latin America |
| Western Europe | Central Asia |
| Eastern Europe | Middle East |
| European FSU | North Africa |
| Pacific OECD | Sub-Saharan Africa |
| | China & CPA |
| | South Asia |
| | Pacific Asia |
