Africa (49): Algeria, Burundi, Togo, Eritrea, Cape Verde, Congo Brazzaville, Guinea, Comoros, Lesotho, Mali, Mauritania, Seychelles, Equatorial Guinea, Nigeria, Djibouti, Benin, Central African Republic, C? te d 'Ivoire, Angola, Egypt, Tanzania, Senegal, Zimbabwe, Zambia and Namibia. Sierra Leone, Madagascar, Democratic Republic of Congo, Uganda, Ethiopia, Mauritius, Niger, Mozambique, Guinea-Bissau, Liberia, Chad, Somalia, Ghana, Botswana, South Africa, Libya and Malawi.
United States (23): Cuba, Canada, Dominica, Bolivia, the United States (note: the United States government has formally promised to participate in the exhibition, and the organizers of the Shanghai World Expo are waiting for the written confirmation from the United States government), Costa Rica, Guatemala, Trinidad and Tobago, Argentina, Uruguay, Chile, Peru, Guyana, Haiti, Jamaica, Suriname, Ecuador, Venezuela, Grenada, Mexico and Nicaragua.
Europe (43): France, Netherlands, Monaco, Switzerland, Ukraine, Italy, Spain, Hungary, Germany, Croatia, Britain, Bulgaria, Poland, Luxembourg, Albania, Turkey, Belgium, Lithuania, Montenegro, Moldova, Belarus, Russia, Portugal, Serbia, Finland, Azerbaijan, Greece, Czech Republic, Macedonia.
Asia (43): China, Pakistan, Bahrain, Cambodia, Mongolia, Nepal, Sri Lanka, Tajikistan, Turkmenistan, Singapore, Armenia, Vietnam, Myanmar, Kazakhstan, Kyrgyzstan, Uzbekistan, Philippines, Malaysia, Laos, Yemen, Japan, Saudi Arabia, Palestine, India, Indonesia, South Korea, Brunei, Lebanon, Georgia.
Oceania (15): New Zealand, Australia, Papua New Guinea, Vanuatu, Palau, Tonga, Micronesia, Samoa, Fiji, Cook Islands, Niue, Solomon Islands, Tuvalu, Kiribati and Marshall Islands.
International organizations (33): Executive Committee of CIS, United Nations Convention on Biological Diversity, World Tourism Organization, United Nations Industrial Development Organization, World Bank, United Nations, World Water Council, United Nations Framework Convention on Climate Change, League of Arab States, Organization for Economic Cooperation and Development, International Federation of Red Cross and Red Crescent Societies, African Union, World Meteorological Organization, South Pacific Tourism Organization, UNESCO, Pacific Islands Forum, World Trade Center Association, Boao Forum for Asia, Caribbean Community, Caribbean Development Bank, United Nations Children's Fund, World Wide Fund for Nature, United Nations Population Fund, Common Market for Eastern and Southern Africa, UNHCR, International Telecommunication Union, International Information Development Network, French Business Forum, Global Environment Facility, World Health Organization, International Energy Agency, UN-Habitat and United Nations Conference on Trade and Development.