List of intergovernmental organizations The following is a list of the major existing intergovernmental organizations (IGOs). For a more complete listing, see the Yearbook of International Organizations,[1] which includes 25,000 international non- governmental organizations (INGOs), excluding for-profit enterprises, about 5,000 IGOs, and lists dormant and dead organizations as well as those in operation (figures as of the 400th edition, 2012/13). A 2020 academic dataset on international organizations included 561 A ministerial conference of the World intergovernmental organizations between 1815–2015; more than one- [2] Trade Organization, in the Palace of third of those IGOs ended up defunct. Nations (Geneva, Switzerland). United Nations and agencies Contents The UN has six principal organs: United Nations and agencies The General Assembly (the Agricultural research organizations main deliberative assembly); Fisheries organizations The Security Council (decides certain resolutions for peace Maritime organizations and security); Financial, trade, and customs organizations The Economic and Social Regional organizations Council (assists in promoting Europe international economic and social cooperation and Asia development); Transcontinental The Secretariat (provides Africa studies, information, and Americas facilities needed by the UN); Cultural, ethnic, linguistic, and religious organizations The International Court of Justice (the primary judicial Educational organizations and universities organ). Law enforcement cooperation The United Nations Trusteeship Council (inactive) Transport Humanitarian organizations The UN also includes various Funds, Environmental organizations Programmes and specialized agencies: Arms control Food and Agriculture Energy organizations Organization Multi sector organizations International Labour Nuclear power organizations Organization Sustainable energy organizations International Civil Aviation Organization Digital organizations International Maritime Military alliances Organization Ideological and political groupings International Telecommunication Union Other Joint United Nations Defunct Programme on HIV/AIDS See also United Nations Capital Development Fund References United Nations Human Rights Council (UNHRC) United Nations International Children's Emergency Fund (UNICEF) United Nations Development Programme United Nations Educational, Scientific and Cultural Organization (UNESCO) United Nations Environment Programme United Nations Human Settlements Programme United Nations Industrial Development Organization United Nations Office for Disaster Risk Reduction (UNISDR) United Nations Office on Drugs and Crime Universal Postal Union World Health Organization (WHO) World Intellectual Property Organization World Food Programme World Meteorological Organization World Tourism Organization The UN maintains various offices: United Nations Headquarters (New York City) United Nations Office at Geneva United Nations Office at Nairobi United Nations Office at Vienna The UN also includes subsidiary organs: International Criminal Tribunal for the former Yugoslavia (ICTY) International Criminal Tribunal for Rwanda (ICTR) Agricultural research organizations Africa Rice Center (West Africa Rice Development Association, WARDA) Bioversity International (International Plant Genetics Resources Institute, IPGRI) Center for International Forestry Research (CIFOR) International Center for Tropical Agriculture (CIAT) International Center for Agricultural Research in the Dry Areas (ICARDA) International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) International Food Policy Research Institute (IFPRI) International Institute of Tropical Agriculture (IITA) International Livestock Research Institute (ILRI) International Maize and Wheat Improvement Center (CIMMYT) International Potato Center (CIP) International Rice Research Institute (IRRI) International Water Management Institute (IWMI) World Agroforestry Centre (International Centre for Research in Agroforestry, ICRAF) WorldFish Center (International Center for Living Aquatic Resources Management, ICLARM) World Vegetable Center Fisheries organizations Asia-Pacific Fishery Commission (APFIC) Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) Great Lakes Fishery Commission (GLFC) Indian Ocean Tuna Commission (IOTC) Inter-American Tropical Tuna Commission (IATTC) International Commission for the Conservation of Atlantic Tunas (ICCAT) International Pacific Halibut Commission (IPHC) International Whaling Commission (IWC) North-East Atlantic Fisheries Commission (NEAFC) Northwest Atlantic Fisheries Organization (NAFO) North Atlantic Salmon Conservation Organization (NASCO) Pacific Salmon Commission (PSC) Southeast Asian Fisheries Development Center (SEAFDEC) Western and Central Pacific Fisheries Commission (WCPFC) Maritime organizations Antarctic Treaty Secretariat (ATS) International Hydrographic Organization International Maritime Organization International Seabed Authority International Council for the Exploration of the Sea (ICES) North Pacific Marine Science Organization (PICES) Financial, trade, and customs organizations Alliance for Financial Inclusion (AFI) African Development Bank Asian Development Bank Asian Infrastructure Investment Bank Bank for International Settlements Black Sea Trade and Development Bank (BSTDB) Caribbean Development Bank (CDB) Council of Europe Development Bank (CEB) Eurasian Development Bank European Bank for Reconstruction and Development (EBRD) Federation of Euro-Asian Stock Exchanges Financial Action Task Force (FATF) Inter-American Development Bank International Bureau of Weights and Measures (BIPM) International Energy Agency (IEA) International Fund for Agricultural Development (IFAD) International Development Law Organization (IDLO), headquartered in Rome International Monetary Fund (IMF) Islamic Development Bank (IDB) Netherlands Development Finance Company (FMO) Nordic Development Fund (NDF) Nordic Investment Bank (NIB) New Development Bank (NDB) Organization for Economic and Co-operation Development (OECD) OPEC Fund for International Development (OPEC Fund) Organization of Petroleum-Exporting Countries (OPEC) West African Development Bank (BOAD) World Bank Group International Bank for Reconstruction and Development (IBRD) International Development Association (IDA) International Finance Corporation (IFC) Multilateral Investment Guarantee Agency (MIGA) International Centre for Settlement of Investment Disputes (ICSID) World Customs Organization (WCO) World Trade Organization (WTO) Regional organizations Europe European Union (EU) Western European Union (defunct) Big Four (Western Europe) Council of Europe (CoE) Central European Initiative (CEI) Organisations grouping almost all the countries in their respective Energy Community continents. Note that Russia is a member of both the Council of Europe European Free Trade (COE) and the Asia Cooperation Dialogue (ACD), and Cuba is a suspended Association (EFTA) member of the Organization of American States (OAS). European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) European Patent Organisation (EPO) European Science Foundation European Organisation for the Safety of Air Navigation (EUROCONTROL) Group of 9 (G9) International Commission on Civil Status (ICCS) Central Commission for Several smaller regional organizations with non-overlapping memberships. Navigation on the Rhine (CCNR) Council of the Baltic Sea States (CBSS) Assembly of European Regions (AER) Eiroforum CERN European Fusion Development Agreement (EFDA JET) European Molecular Several non-overlapping large alliances. Softer colours indicate Biology Laboratory observer/associate or candidate countries. (EMBL) European Space Agency (ESA) European Southern Observatory (ESO) European Synchrotron Radiation Facility (ESRF) European x-ray free electron laser (European XFEL) Institut Laue–Langevin (ILL) Baltic Marine Environment Protection Commission Benelux Belgium–Luxembourg Economic Union British–Irish Council Nordic Council Nordic Investment Bank Northern Dimension Partnership in Public Health and Social Well-being (NDPHS) Organisation for Joint Armament Cooperation (OCCAR) Agency for International Trade Information and Cooperation (AITIC) Visegrád Group (V4) EUREKA European Cooperation in Science and Technology (COST) Community for Democracy and Rights of Nations (Commonwealth of Unrecognized States) European Centre for Medium-range Weather Forecasts (ECMWF) West Nordic Council Asia Asia Cooperation Dialogue (ACD) Asian Development Bank (ADB) Asia-Pacific Economic Cooperation (APEC) East Asia Summit (EAS) Association of Southeast Asian Nations (ASEAN) Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC) International Network for Bamboo and Rattan (INBAR) Mekong–Ganga Cooperation (MGC) Mekong River Commission (MRC) Partnerships in Environmental Management for the Seas of East Asia (PEMSEA) South Asian Association for Regional Cooperation (SAARC) Southeast Asian Ministers of Education Organization (SEAMEO) Trilateral Cooperation Secretariat (TCS) Gulf Cooperation Council (GCC) Transcontinental Group of Eight Eurasia Asia-Europe Foundation (ASEF) Central Asian Cooperation Organization Community for Democracy and Rights of Nations Collective Security Treaty Organization (CSTO) Commonwealth of Independent States (CIS) Economic Cooperation Organization (ECO) Eurasian Economic Union (EEU or EAEU) GUAM Organization for Democracy