Definition of major areas and regions Notes: As a result of the disintegration of the former USSR, the former Czechoslovakia and the former Yugoslavia and the reunification of Germany, the composition of several regions and major areas changed after 1990. For estimation purposes, the effects of these political changes were backdated to 1990 in all cases. Data for the period 1960-2010 are available on CD-ROM and can be ordered from the Population Division migration web page at: http://www.unmigration.org More developed regions: The more developed regions comprise Australia, Europe, Japan, New Zealand and Northern America. Less developed regions: The less developed regions comprise Africa, Asia (excluding Japan), Latin America and the Caribbean, Melanesia, Micronesia and Polynesia. Least developed countries: The group of least developed countries currently comprises 49 countries - Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Democratic Republic of the Congo, Djibouti, Equatorial Guinea, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Lao People's Democratic Republic, Lesotho, Liberia, Madagascar, Malawi, Maldives, Mali, Mauritania, Mozambique, Myanmar, Nepal, Niger, Rwanda, Samoa, Sao Tome and Principe, Senegal, Sierra Leone, Solomon Islands, Somalia, Sudan, Timor-Leste, Togo, Tuvalu, Uganda, United Republic of Tanzania, Vanuatu, Yemen, Zambia. These countries are also included in the less developed regions. Sub-Saharan Africa: The designation sub-Saharan Africa is used to indicate all of Africa exluding Algeria, Egypt, the Libyan Arab Jamahiriya, Morocco, Tunisia and Western Sahara. Countries and regions Africa Eastern Africa Burundi Comoros Djibouti Eritrea Ethiopia Kenya Madagascar Malawi Mauritius Mayotte Mozambique Réunion Rwanda Seychelles Somalia Uganda United Republic of Tanzania Zambia Zimbabwe Middle Africa Angola Cameroon Central African Republic Chad Congo Democratic Republic of the Congo Equatorial Guinea Gabon Sao Tome and Principe Northern Africa Algeria Egypt Libyan Arab Jamahiriya Morocco Sudan Tunisia Western Sahara Southern Africa Botswana Lesotho Namibia South Africa Swaziland Western Africa Benin Burkina Faso Cape Verde Côte d'Ivoire Gambia Ghana Guinea Guinea-Bissau Liberia Mali Mauritania Niger Nigeria Saint Helena Senegal Sierra Leone Togo Asia Central Asia Kazakhstan Kyrgyzstan Tajikistan Turkmenistan Uzbekistan Eastern Asia China Democratic People's Republic of Korea Hong Kong Special Administrative Region of China Japan Macao Special Administrative Region of China Mongolia Republic of Korea South-Eastern Asia Brunei Darussalam Cambodia Indonesia Lao People's Democratic Republic Malaysia Myanmar Philippines Singapore Thailand Timor-Leste Viet Nam Southern Asia Afghanistan Bangladesh Bhutan India Iran (Islamic Republic of) Maldives Nepal Pakistan Sri Lanka Western Asia Armenia Azerbaijan Bahrain Cyprus Georgia Iraq Israel Jordan Kuwait Lebanon Occupied Palestinian Territory Oman Qatar Saudi Arabia Syrian Arab Republic Turkey United Arab Emirates Yemen Europe Eastern Europe Belarus Bulgaria Czech Republic Hungary Poland Republic of Moldova Romania Russian Federation Slovakia Ukraine Northern Europe Channel Islands Denmark Estonia Faeroe Islands Finland Iceland Ireland Isle of Man Latvia Lithuania Norway Sweden United Kingdom of Great Britain and Northern Ireland Southern Europe Albania Andorra Bosnia and Herzegovina Croatia Gibraltar Greece Holy See Italy Malta Montenegro Portugal San Marino Serbia Slovenia Spain The former Yugoslav Republic of Macedonia Western Europe Austria Belgium France Germany Liechtenstein Luxembourg Monaco Netherlands Switzerland Latin America and the Caribbean Caribbean Anguilla Antigua and Barbuda Aruba Bahamas Barbados British Virgin Islands Cayman Islands Cuba Dominica Dominican Republic Grenada Guadeloupe Haiti Jamaica Martinique Montserrat Netherlands Antilles Puerto Rico Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Trinidad and Tobago Turks and Caicos Islands United States Virgin Islands Central America Belize Costa Rica El Salvador Guatemala Honduras Mexico Nicaragua Panama South America Argentina Bolivia Brazil Chile Colombia Ecuador Falkland Islands (Malvinas) French Guiana Guyana Paraguay Peru Suriname Uruguay Venezuela (Bolivarian Republic of) Northern America Bermuda Canada Greenland Saint Pierre and Miquelon United States of America Oceania Australia/New Zealand Australia New Zealand Melanesia Fiji New Caledonia Papua New Guinea Solomon Islands Vanuatu Micronesia Guam Kiribati Marshall Islands Micronesia (Federated States of) Nauru Northern Mariana Islands Palau Polynesia American Samoa Cook Islands French Polynesia Niue Pitcairn Samoa Tokelau Tonga Tuvalu Wallis and Futuna Islands