World Expo Participating Countries

 Afghanistan  Guatemala  Rwanda
 Albania  Guinea  Saint Lucia
 Algeria  Guinea-Bissau  Saint Vincent and the Grenadines
 Angola  Greece  San Marino
 Argentina  Haiti  São Tomé and Príncipe
 Armenia  Honduras  Saudi Arabia
 Austria  Hungary  Senegal
 Azerbaijan  India  Serbia
 Bahrain  Indonesia  Seychelles
 Bangladesh  Iran  Sierra Leone
 Belgium  Iraq  Slovakia
 Belarus  Israel  Slovenia
 Benin  Italy (Host country)  South Korea
 Bolivia  Ivory Coast  Spain
 Brazil  Japan  Sri Lanka
 Brunei  Jordan   Switzerland
 Bulgaria  Kazakhstan  Syria
 Burundi  Kenya  Tajikistan
 Burma  Kyrgyzstan  Tanzania
 Cambodia  Kuwait  Thailand
 Cameroon  Laos  Togo
 Cape Verde  Latvia  Tunisia
 Central African Republic  Lebanon  Turkmenistan
 Chile  Liberia  Turkey
 China  Libya  Uganda
 Comoros  Lithuania  Ukraine
 Colombia  Malaysia  Uruguay
 Costa Rica  Maldives  United Arab Emirates
 Croatia  Mali  United Kingdom
 Czech Republic  Malta  United States
 Cuba  Mauritania  Uzbekistan
 Democratic Republic of the Congo  Mexico  Vanuatu
 Dominica  Moldova  Vatican City
 Dominican Republic  Monaco Vietnam
 Ecuador  Mongolia Yemen
 El Salvador  Montenegro Zambia
 Egypt  Mozambique Zimbabwe
 Equatorial Guinea Nepal  
 Eritrea  Niger  
 Estonia  Nigeria  
 Ethiopia  Oman  
 Federated States of Micronesia  Palau  
 France  Palestine  
 Gabon  Pakistan  
 Gambia  Panama  
 Georgia  Paraguay  
 Germany  Peru  
 Ghana  Qatar  
 Poland  Republic of the Congo  
 Romania  Russia  

World Expo Shanghai 2010 Participating Countries

AMERICA (26 countries)

El Salvador Antigua and Barbuda Brazil
Nicaragua Mexico Grenada
Venezuela Ecuador Suriname
Jamaica Haiti Guyana
Peru Chile Uruguay
Argentina Trinidad and Tobago Guatemala
Costa Rica United States Bolivia
Commonwealth of Dominica Cuba Canada
Dominican Republic Barbados Bahamas
Panama Paraguay Honduras
Belize Saint Lucia Federation of Saint Kitts and Nevis
Saint Vincent and the Grenadines Colombia  

EUROPE (44 countries)

Malta Iceland Bosnia and Herzegovina
Estonia Slovakia Norway
San Marino Sweden Denmark
Austria Cyprus Ireland
Romania Former Yugoslav Republic of Macedonia Czech Republic
Greece Finland Serbia
Portugal Russia Belarus
Moldova Montenegro Lithuania
Belgium Turkey Albania
Luxembourg Poland Bulgaria
UK Croatia Germany
Ukraine Italy The Netherlands
Spain Monaco Switzerland
Hungary France Slovenia
Azerbaijan Latvia Liechtenstein
European Union Armenia Georgia

AFRICA (50 countries)

Malawi Libya South Africa
Botswana Ghana Somalia
Chad Liberia Guinea-Bissau
Mozambique Niger Mauritius
Ethiopia Uganda Democratic Republic of Congo
Madagascar Sierra Leone Tunisia
Rwanda Cameroon Gabon
Morocco Kenya Sudan
Namibia Zambia Zimbabwe
Senegal Tanzania Egypt
Angola Cote d'Ivoire Comoros
Seychelles The State of Eritrea Mali
Lesotho Mauritania Cape Verde
Guinea Nigeria Djibouti
Benin Equatorial Guinea Togo
Burundi Central African Republic The Republic of Congo
Algeria Burkina Faso Gambia

ASIA (45 countries)

The State of Qatar Israel Jordan
North Korea Syria United Arab Emirates
Bangladesh Afghanistan Maldives
Iran Oman Iraq
Thailand Bhutan  
Lebanon Brunei Kuwait
Korea Indonesia India
Palestine Uzbekistan Saudi Arabia
Japan Yemen Laos
Malaysia Kyrgyzstan Cambodia
Bahrain Myanmar Kazakhstan
Viet Nam Mongolia Nepal
Pakistan Sri Lanka Singapore
Timor-Leste Tajikistan Turkmenistan
Philippines China  

OCEANIA (15 countries)

Marshall Island Solomon Islands
Kiribati Tuvalu
Niue Cook Islands
Fiji Samoa
Micronesia Tonga
Papua New Guinea Palau
Vanuatu Australia
New Zealand Nauru

International Organizations (45)

United Nations Environment Programme World Trade Organization
United Nations Capital Development Fund International Network for Bamboo and Rattan
Joint United Nations Programme on HIV/AIDS International Council of Museums
International Maritime Organization World Intellectual Property Organization
International Atomic Energy Agency