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The following is a list of regional organizations by population.

List

Flag or Logo Entities Founded Population % of world Members Notes
World 7,912,690,000 100% Population Clock
Asia Cooperation Dialogue
2002
4,508,882,156 57%
Asia Cooperation Dialogue member states.svg
 Afghanistan  Bahrain  Bangladesh  Bhutan  Brunei  Cambodia  China  India  Indonesia  Iran  Japan  Kazakhstan  South Korea  Kuwait  Kyrgyzstan  Laos  Malaysia  Mongolia  Myanmar  Nepal  Oman  Pakistan  Philippines  Qatar  Russia  Saudi Arabia  Singapore  Sri Lanka  Tajikistan  Thailand  Turkey  United Arab Emirates  Uzbekistan  Vietnam
Membership overlap with ASEAN, SAARC
Infobox SCO.png
Shanghai Cooperation Organisation
2001
3,204,453,117 40%
SCO MAP 10 July 2015 - Including two new permanent members Pakistan and India.png
 China  India  Kazakhstan  Kyrgyzstan  Pakistan  Russia  Tajikistan  Uzbekistan
Membership overlap with CIS and Eurasian Economic Community, Asia-Pacific Economic Cooperation, South Asian Association for Regional Cooperation
BRICS
2008
3,040,000,000 38%
BRICS.svg
 Brazil  Russia  India  China  South Africa
An association of five major emerging national economies
Asia-Pacific Economic Cooperation
1989
2,700,000,000 34%
APEC memberstates(Pacific).svg
 Australia  Brunei  Canada  Chile  China  Hong Kong  Indonesia  Japan  South Korea  Malaysia  Mexico  New Zealand  Papua New Guinea  Peru  Philippines  Russia  Singapore  Taiwan  Thailand  United States  Vietnam
Membership overlap with Association of Southeast Asian Nations, Commonwealth of Nations, Eurasian Economic Community, North American Free Trade Agreement, NATO, OPEC, Shanghai Cooperation Organisation, Mercosur/Mercosul, Union of South American Nations, African, Caribbean and Pacific Group of States,
Commonwealth of Nations
1931
2,418,964,000 31%
Member states of the Commonwealth of Nations.svg
 Antigua and Barbuda  Australia  Bahamas  Bangladesh  Barbados  Belize  Botswana  Brunei  Cameroon  Canada  Cyprus  Dominica  Ghana  Grenada  Guyana  India  Jamaica  Kenya  Kiribati  Lesotho  Malawi  Malaysia  Maldives  Malta  Mauritius  Mozambique  Namibia  Nauru  New Zealand  Nigeria  Pakistan  Papua New Guinea  Rwanda  Saint Kitts and Nevis  Saint Lucia  Saint Vincent and the Grenadines  Samoa  Seychelles  Sierra Leone  Singapore  Solomon Islands  South Africa  Sri Lanka  Swaziland  Tanzania  Tonga  Trinidad and Tobago  Tuvalu  Uganda  United Kingdom  Vanuatu  Zambia
Membership overlap with European Union, European Economic Area, African, Caribbean and Pacific Group of States, African Union, South Asian Association for Regional Cooperation, Union of South American Nations, Caribbean Community, CARIFORUM, NATO, and Association of Southeast Asian Nations, Asia-Pacific Economic Cooperation, Small Island Developing States
Regional Comprehensive Economic Partnership
2015
2,041,590,650 26%
RCEP.png
 Australia  Brunei  Cambodia  China  Indonesia  Japan  South Korea  Laos  Malaysia  Myanmar  New Zealand  Philippines  Singapore  Thailand  Vietnam }}
A Free Trade Agreement (FTA) scheme of the 10 ASEAN Member States and its FTA Partners (Australia, China, Japan, Korea and New Zealand) to be concluded by the end of 2015
South Asian Association for Regional Cooperation
1985
1,713,870,000 22%
South Asia (excluding internal borders) (orthographic projection).svg
 Afghanistan  Bangladesh  Bhutan  India  Maldives  Nepal  Pakistan  Sri Lanka
Membership overlap with Economic Cooperation Organization, Commonwealth of Nations
Zpcas flag.jpg
South Atlantic Peace and Cooperation Zone
1986
1,552,860,934 20%
Map of ZPCAS member states.svg
 Argentina  Angola  Benin  Brazil  Cape Verde  Cameroon  Congo  DR Congo  Equatorial Guinea  Gabon  Gambia  Ghana  Guinea  Guinea-Bissau  Ivory Coast  Liberia  Namibia  Nigeria  São Tomé and Príncipe  Senegal  Sierra Leone  South Africa  Togo  Uruguay
OSCE logo.svg
Organization for Security and Co-operation in Europe
1975
1,276,751,497 16%
Organization for Security and Co-operation in Europe (orthographic projection).svg
 Albania  Andorra  Armenia  Austria  Azerbaijan  Belarus  Belgium  Bosnia and Herzegovina  Bulgaria  Canada  Croatia  Cyprus  Czech Republic  Denmark  Estonia  Finland  France  Georgia  Germany  Greece  Hungary  Iceland  Ireland  Italy  Kazakhstan  Kyrgyzstan  Latvia  Liechtenstein  Lithuania  Luxembourg  Malta  Moldova  Monaco  Mongolia  Montenegro  Netherlands  North Macedonia  Norway  Poland  Portugal  Romania  Russia  San Marino  Serbia  Slovakia  Slovenia  Spain  Sweden  Switzerland  Tajikistan  Turkey  Turkmenistan  Ukraine  United Kingdom  United States  Uzbekistan  Vatican City
Membership overlap with EU, NATO
Flag of the African Union.svg
African Union
2002
1,275,920,972 16%
African Union (orthographic projection).svg
 Algeria  Angola  Benin  Botswana  Burkina Faso  Burundi  Cape Verde  Cameroon  Central African Republic  Chad  Comoros  DR Congo  Djibouti  Egypt  Equatorial Guinea  Eritrea  Eswatini  Ethiopia  Gabon  Gambia  Ghana  Guinea  Guinea-Bissau  Ivory Coast  Kenya  Lesotho  Liberia  Libya  Madagascar  Malawi  Mali  Mauritania  Mauritius  Morocco  Mozambique  Namibia  Niger  Nigeria  Congo  Rwanda  Sahrawi Arab Democratic Republic  São Tomé and Príncipe  Senegal  Seychelles  Sierra Leone  Somalia  South Africa  South Sudan  Sudan  Tanzania  Togo  Tunisia  Uganda  Zambia  Zimbabwe
Organization of American States
1948
980,457,921 12%
Organization of American States (orthographic projection).svg
 Antigua and Barbuda  Argentina  Bahamas  Barbados  Belize  Bolivia  Brazil  Canada  Chile  Colombia  Costa Rica  Cuba  Dominica  Dominican Republic  Ecuador  El Salvador  Grenada  Guatemala  Guyana  Haiti  Honduras  Jamaica  Mexico  Nicaragua  Panama  Paraguay  Peru  Saint Kitts and Nevis  Saint Lucia  Saint Vincent and the Grenadines  Suriname  Trinidad and Tobago  United States  Uruguay  Venezuela
Membership overlap with NATO, North American Free Trade Agreement, Mercosur/Mercosul, Asia-Pacific Economic Cooperation, Union of South American States, CAFTA-DR, Community of Latin American and Caribbean States, RIO Group, Caribbean Community, Association of Caribbean States
Flag of NATO.svg
North Atlantic Treaty Organisation
1949
880,978,798 11%
North Atlantic Treaty Organization (orthographic projection).svg
 Albania  Belgium  Bulgaria  Canada  Croatia  Czech Republic  Denmark  Estonia  France  Germany  Greece  Hungary  Iceland  Italy  Latvia  Lithuania  Luxembourg  Montenegro  Netherlands  North Macedonia  Norway  Poland  Portugal  Romania  Slovakia  Slovenia  Spain  Turkey  United Kingdom  United States
Membership overlap with Commonwealth of Nations, European Union, Asia-Pacific Economic Cooperation, North American Free Trade Agreement, Organization of American States)
Council of Europe
1949
820,000,000 10%
Council of Europe (orthographic projection).svg
 Albania  Andorra  Armenia  Austria  Azerbaijan  Belgium  Bosnia and Herzegovina  Bulgaria  Croatia  Cyprus  Czech Republic  Denmark  Estonia  Finland  France  Georgia  Germany  Greece  Hungary  Iceland  Ireland  Italy  Latvia  Liechtenstein  Lithuania  Luxembourg  Malta  Moldova  Monaco  Montenegro  Netherlands  North Macedonia  Norway  Poland  Portugal  Romania  Russia  San Marino  Serbia  Slovakia  Slovenia  Spain  Sweden  Switzerland  Turkey  Ukraine  United Kingdom
Membership overlap with
Inter-American Treaty of Reciprocal Assistance
1948
754,901,942 9.5%
Rio Pact (orthographic projection).svg
 Argentina  Bahamas  Brazil  Chile  Colombia  Costa Rica  Dominican Republic  El Salvador  Guatemala  Haiti  Honduras  Panama  Paraguay  Peru  Trinidad and Tobago  United States  Venezuela
Membership overlap with Organization of American States
Community of Latin American and Caribbean States
2010
652,012,001 8.2%
Comunidad de Estados Latinoamericanos y Caribeños.PNG
 Antigua and Barbuda  Argentina  Bahamas  Barbados  Belize  Bolivia  Chile  Colombia  Costa Rica  Cuba  Dominica  Dominican Republic  Ecuador  El Salvador  Grenada  Guatemala  Guyana  Haiti  Honduras  Jamaica  Mexico  Nicaragua  Panama  Paraguay  Peru  Saint Kitts and Nevis  Saint Lucia  Saint Vincent and the Grenadines  Suriname  Trinidad and Tobago  Uruguay  Venezuela
Membership overlap with Organization of American States
Association of Southeast Asian Nations
1967
647,016,000 8.2%
Association of Southeast Asian Nations (orthographic projection).svg
 Brunei  Cambodia  Indonesia  Laos  Malaysia  Myanmar  Philippines  Singapore  Thailand  Vietnam
Membership overlap with Asia-Pacific Economic Cooperation, African, Caribbean and Pacific Group of States, Small Islands Developing States
ALADI.jpg
Latin American Integration Association
1980
515,722,726 6.5%
Mapa ALADI.png
 Argentina  Bolivia  Brazil  Chile  Colombia  Cuba  Ecuador  Mexico  Paraguay  Panama  Peru  Uruguay  Venezuela
Membership overlap with Organization of American States
European Economic Area
1994
515,000,000 6.5%
European Economic Area members.svg
 Austria  Belgium  Bulgaria  Croatia  Cyprus  Czech Republic  Denmark  EU  Estonia  Finland  France  Germany  Greece  Hungary  Iceland  Ireland  Italy  Latvia  Liechtenstein  Lithuania  Luxembourg  Malta  Netherlands  Norway  Poland  Portugal  Romania  Slovakia  Slovenia  Spain  Sweden  Switzerland
Membership overlap with European Union, European Free Trade Association, Commonwealth of Nations and La Francophonie
European Union
European Union
1957
513,481,691 6.5%
Global European Union.svg
 Austria  Belgium  Bulgaria  Croatia  Cyprus  Czech Republic  Denmark  Estonia  Finland  France  Germany  Greece  Hungary  Ireland  Italy  Latvia  Lithuania  Luxembourg  Malta  Netherlands  Poland  Portugal  Romania  Slovakia  Slovenia  Spain  Sweden
Membership overlap with NATO, Commonwealth of Nations, European Economic Area[1]
NAFTA logo.svg
North American Free Trade Agreement
1994
490,000,000 6.2%
North American Agreement (orthographic projection).svg
 Canada  Mexico  United States
Membership overlap with Commonwealth of Nations, NATO, Asia-Pacific Economic Cooperation, CAFTA-DR, Organization of American States
Economic Cooperation Organization
1985
488,405,949 6.2%
Economic Cooperation Organization map.svg
 Afghanistan  Azerbaijan  Iran  Kazakhstan  Kyrgyzstan  Pakistan  Tajikistan  Turkey  Turkmenistan  Uzbekistan
Membership overlap with South Asian Association for Regional Cooperation
Emblem of the Arab League.svg
Arab League
1945
423,000,000 5.3%
Arab League member states (orthographic projection).svg
 Algeria  Bahrain  Comoros  Djibouti  Egypt  Iraq  Jordan  Kuwait  Lebanon  Libya  Mauritania  Morocco  Oman  Palestine  Qatar  Saudi Arabia  Somalia  Sudan  Syria  Tunisia  United Arab Emirates  Yemen
Membership overlap with African Union, La Francophonie
Forum for the Progress and Development of South America
2019
379,029,371 4.8%
Prosur (orthographic projection).svg
 Argentina  Brazil  Chile  Colombia  Ecuador  Guyana  Paraguay  Peru
Flag of OPEC.svg
OPEC
1960
369,814,472 4.7%
OPEC.svg
 Algeria  Angola  Congo  Equatorial Guinea  Gabon  Iran  Iraq  Kuwait  Libya  Nigeria  Saudi Arabia  United Arab Emirates  Venezuela
Membership overlap with Shanghai Cooperation Organisation, South Asian Association for Regional Cooperation, Organization of American States, African Union, Economic Cooperation Organization, Union of South American Nations, Arab League, Mercosur or Mercosul
Organization of the Black Sea Economic Cooperation
1992
330,000,000 4.2%
BSEC Map.png
 Albania  Armenia  Azerbaijan  Bulgaria  Georgia  Greece  Moldova  Romania  Russia  Serbia  Turkey  Ukraine
Membership overlap with
Council of the Baltic Sea States
1992
300,744,708 3.8%
 Denmark  Estonia  Finland  Germany  Iceland  Latvia  Lithuania  Norway  Poland  Russia  Sweden
Membership overlap with EU, CIS, Nordic Council, OBSEC.
Emblem of CIS.svg
Commonwealth of Independent States
1991
277,983,490 3.5%
CIS (orthographic projection).svg
 Azerbaijan  Belarus  Kazakhstan  Kyrgyzstan  Armenia  Moldova  Russia  Tajikistan  Uzbekistan
Membership overlap with Asia-Pacific Economic Cooperation
Flag of Mercosur.svg
Mercosur/Mercosul
1991
265,212,435 3.4%
MERCOSUR Ortographic Map 2020 with Observer States.png
 Argentina  Brazil  Paraguay  Uruguay
Membership overlap with Union of South American Nations, Asia-Pacific Economic Cooperation, Unions of South American Nations, Latin Union, Community of Latin American and Caribbean States, RIO Group, Organization of American States
Bandera.AEC.jpg
Association of Caribbean States
1994
237,000,000 3.0%
Association of Caribbean States.svg
 Antigua and Barbuda  Bahamas  Barbados  Belize  Colombia  Costa Rica  Cuba  Dominica  Dominican Republic  El Salvador  Grenada  Guatemala  Guyana  Haiti  Honduras  Jamaica  Mexico  Nicaragua  Panama  Saint Kitts and Nevis  Saint Lucia  Saint Vincent and the Grenadines  Suriname  Trinidad and Tobago  Venezuela
An economic zone of Central American plus Caribbean states along with northern South America. Membership overlap with Latin Union, La Francophonie, Community of Latin American and Caribbean States, Union of South American Nations, Caribbean Community, CARIFORUM, RIO Group, CAFTA-DR, Organization of American States
Alianza del Pacífico-Logo.PNG
Pacific Alliance
2012
218,536,683 2.8%
PacificAlliance.svg
 Chile  Colombia  Mexico  Peru
Membership overlap with Organization of American States
Emblem of the Collective Security Treaty Organization.svg
Collective Security Treaty Organisation
1994
210,000,000 2.7%
Collective Security Treaty Organization orthographic projection.svg
 Armenia  Belarus  Kazakhstan  Kyrgyzstan  Russia  Tajikistan
Membership overlap with Commonwealth of Independent States, Shanghai Cooperation Organisation, Asia-Pacific Economic Cooperation
Emblem of the Eurasian Economic Union.svg
Eurasian Economic Union
2001
205,693,649 2.6%
Eurasian Economic Union (orthographic projection) - Crimea disputed - no borders.svg
 Armenia  Belarus  Kazakhstan  Kyrgyzstan  Russia
Membership overlap with Commonwealth of Independent States and Shanghai Cooperation Organisation, Asia-Pacific Economic Cooperation
South-East European Cooperation Process
1996
150,492,458 1.9%
Southeast European Cooperation Process Map.svg
 Albania  Bosnia and Herzegovina  Bulgaria  Croatia  Greece  Kosovo  Moldova  Montenegro  North Macedonia  Romania  Serbia  Slovenia  Turkey
Membership overlap with EU and Council of Europe.
British-Irish Council
1999
73,072,783 0.92%
 Guernsey  Ireland  Isle of Man  Jersey  United Kingdom
Membership overlap with EU. The devolved institutions of Northern Ireland, Scotland and Wales are represented separately.
Visegrád Group logo.svg
Visegrád Group
1991
64,320,833 0.81%
Visegrad group countries.svg
 Czech Republic  Hungary  Poland  Slovakia
Membership overlap with EU
GUAM logo.png
GUAM Organization for Democracy and Economic Development
1999
62,140,327 0.79%
GUAM member states.png
 Azerbaijan  Georgia  Moldova  Ukraine
[3]
Membership overlap with EU
Logo of the Central American Integration System.svg
Central American Integration System
1993
51,152,936 0.65%
LocationSICA.svg
 Belize  Costa Rica  Dominican Republic  El Salvador  Guatemala  Honduras  Nicaragua  Panama
An economic and political organization of eight Central American states Membership overlap with Latin Union, Community of Latin American and Caribbean States, Union of South American Nations, Association of Caribbean States, RIO Group, CAFTA-DR, Organization of American States
Flag of UNASUR.svg
Union of South American Nations
2005
49,002,000 0.62%
Union of South American Nations (orthographic projection).svg
 Bolivia  Guyana  Suriname  Uruguay  Venezuela
Membership overlap with Mercosur/Mercosul, Asia-Pacific Economic Cooperation, Latin Union, Community of Latin American and Caribbean States, RIO Group, Association of Caribbean States
Pacific Islands Forum
1971
40,054,000 0.51%
Members of Pacific Island Forum.svg
 Australia  Cook Islands  Fiji  French Polynesia  Kiribati  Marshall Islands  Micronesia  Nauru  New Caledonia  New Zealand  Niue  Palau  Papua New Guinea  Samoa  Solomon Islands  Tonga  Tuvalu  Vanuatu
Membership overlaps with APEC
Benelux Logo.svg
Benelux
1948
29,300,000 0.37%
Benelux.svg
 Belgium  Luxembourg  Netherlands
Membership overlap with EU
Flag of the Nordic Council 2016.svg
Nordic Council
1953
25,880,000 0.33%
Location Nordic Council.svg
 Denmark  Finland  Iceland  Norway  Sweden
Membership overlap with EU
Flag of CEFTA.svg
Central European Free Trade Agreement
1992
21,907,354 0.28%
Europe-cefta-map.png
 Albania  Bosnia and Herzegovina  Kosovo (through UNMIK)  Moldova  Montenegro  North Macedonia  Serbia
Membership overlap with
Flag of CARICOM.svg
Caribbean Community
1973
18,095,201 0.23%
Location Caricom.svg
 Antigua and Barbuda  Bahamas  Barbados  Belize  Dominica  Grenada  Guyana  Haiti  Jamaica  Montserrat  Saint Kitts and Nevis  Saint Lucia  Saint Vincent and the Grenadines  Suriname  Trinidad and Tobago
An economic organization made up of fifteen full members, (fourteen independent countries + one British overseas territory.) Membership overlap with Commonwealth of Nations, La Francophonie, Small Islands Developing States, CARIFORUM, Community of Latin American and Caribbean States, Union of South American Nations, Association of Caribbean States, Organization of Eastern Caribbean States, RIO Group, Central American Integration System, Organization of American States
EFTA logo.svg
European Free Trade Association
1960
14,050,000 0.18%
Europe-EFTA.svg
 Iceland  Liechtenstein  Norway  Switzerland
Membership overlap with EEA.|
OECS Logo.svg
Organisation of Eastern Caribbean States
1981
615,724 0.0078%
Map of OECS.svg
 Antigua and Barbuda  Dominica  Grenada  Montserrat  Saint Kitts and Nevis  Saint Lucia  Saint Vincent and the Grenadines
Membership overlap with CARICOM.

References

  1. ^ Eurostat data Archived 6 July 2007 at the Wayback Machine Eurostat population demography data as of 1 January 2006, extrapolated to 1 January 2007
  2. ^ Agency, Anadolu (15 December 2016). "Black Sea Economic Cooperation Organization: Turkey's third option". Daily Sabah.
  3. ^ "Brochure". guam-organization.org. Retrieved 11 August 2020.

External links