Groups of Countries and National and International Organizations (IOs)
World, The
United Nations (UN) System
UN System Chart
UN (United Nations) (191) (New York, USA)
Functional IOs
ACP (African, Caribbean, and Pacific Group of States)
Amnesty International
Arctic Council
Australia Group
BIS (Bank for International Settlements)
Commonwealth, The
CPLP (Comunidade dos Paises de Lingua Portuguesa)
EAPC (Euro Atlantic Partnership Council)
Francophonie, Organisation internationale de la
G7, G8, G9
G77
Greenpeace
IATA (International Air Transport Association)
ICC (International Chamber of Commerce)
ICC (International Criminal Court) 
IDB (Islamic Development Bank) (Jeddah)
IEA (International Energy Agency)
IFRC (International Federation of Red Cross and Red Crescent Societies)
IHO (International Hydrographic Organization)
IISS (International Institute for Strategic Studies)
Intelsat (International Telecommunications Satellite Organization)
Interpol
IOC (International Olympic Committee)
IOM (International Organization for Migration)
IPU (Interparliamentary Union)
ISO (International Organization for Standardization) (Geneva)
LDCs (Least Developed Countries)
NAM (Non Aligned Movement)
NATO (North Atlantic Treaty Organization)
NSG (Nuclear Suppliers Group)
OECD (Organization for Economic Cooperation and Development)
OIC (Organization of the Islamic Conference)
OPCW (Organization for the Prohibition of Chemical Weapons)
OPEC (Organization of Petroleum Exporting Countries)
Paris Club (G10)
PCA (Permanent Court of Arbitration)
RIIA (Royal Institute of International Affairs) (London, UK)
SIPRI (Solna, Sweden)
UNPO (Unrepresented Nations and Peoples Organization)
WCL (World Confederation of Labour)
WCO (World Customs Organization)
WFTU (World Federation of Trade Unions)
WRI (World Resources Institute) (Washington, USA)
WWF (World Wide Fund for Nature)
Europe (48)
Benelux
BSEC (Black Sea Economic Cooperation)
CBSS (Council of the Baltic Sea States)
CEFTA (Central European Free Trade Area) (formerly known as Visegrad Group)
CEI (Central European Initiative) (formerly the Hexagonal Group)
CERN (European Organization for Nuclear Research)
CIS (Commonwealth of Independent States)
COE (Council of Europe)
Danube Commission
EBRD (European Bank for Reconstruction and Development) (French: BERD)
EIB (European Investment Bank)
EMU (European Monetary Union) (Euro Zone)
ESA (European Space Agency)
EU (European Union)
NIB (Nordic Investment Bank)
Nordic Council
OSCE (Organization for Security and Cooperation in Europe)
PFP (Partnership for Peace)
SPSEE (Stability Pact for South Eastern Europe)
WEU (Western European Union)
America (35)
ACS (Association of Caribbean States)
CAN (Andean Community of Nations) (spanish: Comunidad Andina de Naciones)
CARICOM (Caribbean Community and Common Market)
CDB (Caribbean Development Bank)
FTAA (Free Trade Area of the Americas) (French: ZLEA)
IADB (Inter American Development Bank)
LAES (Latin American Economic System) (SELA: Sistema Economico Latino Americano)
LAIA (Latin American Integration Association) (ALADI: Asociacion Latino Americana de Integracion)
MERCOSUR (Southern Cone Common Market) (acronym from Mercado Comun del Cono Sur)
NAFTA (North American Free Trade Agreement)
OAS (Organization of American States)
OECS (Organization of Eastern Caribbean States)
OPANAL (Agency for the Prohibition on Nuclear Weapons in Latin America and the Caribbean)
Africa (53)
AU (African Union)
BAD (African Development Bank)
CBI (Cross Border Inititive)
CEMAC (EMCCA: Economic and Monetary Community of Central Africa) (formerly: UDEAC)
CEN-SAD (Community of Sahel and Saharan States (formerly: COMESSA)
COMESA (Common Market of Eastern and Southern Africa) (Formerly: PTA)
EAC (East African Community)
ECOWAS (Economic Community of West African States) (french: CEDEAO)
Franc Zone
IGAD (Inter-Governmental Authority on Development)
IOC (Indian Ocean Commission)
SADC (Southern African Development Community)
WAEMU (West African Economic and Monetary Union) (french: UEMOA)
Asia (42)
ADB (Asian Development Bank)
ASEAN (Association of South-East Asian Nations)
Colombo Plan
ECO (Economic Cooperation Organization)
GUAMM (Georgia, Ukraine, Uzbekistan, Azerbaijan, Moldova)
SAARC (South Asian Association for Regional Cooperation)
Oceania (14)
Melanesia (4)
Micronesia (5)
Pacific Community (formerly known as the South Pacific Commission or SPC)
Polynesia (3)
SPF (South Pacific Forum) (SPARTECA)
Arab Countries
AMF (Arab Monetary Fund)
AMU (Arab Maghreb Union) (French: UMA)
GCC (Gulf Cooperation Council)
LAS (League of Arab States)
OAPEC (Organization of Arab Petroleum Exporting Countries)
National organizations and disputed territories
PLO (Palestine Liberation Organization) (under Israeli occupation)
Taiwan
Turkish Republic of Northern Cyprus (TRNC)
Western Sahara (SADR) (Morocco)
www.Worldata.org ® ©