No. Logo Official name Abbreviation Location (Country) Location (City) Established Precursor established Member states Other participants Map and reference – United Nations UN United States New York City 1945 1920 the UN members observer states: Holy See, Palestine observer entities: Order of Malta observer regional organizations:[20] European Union other observer entities and organizations[21] UN Specialized agencies 1 Food and Agriculture Organization FAO Italy Rome 1945 — the UN members except Liechtenstein Cook Islands, Niue associate members: Faroe Islands, Tokelau member organization: European Union FAO 2 International Civil Aviation Organization ICAO Canada Montreal 1947 — the UN members except Liechtenstein Cook Islands — ICAO 3 International Fund for Agricultural Development IFAD Italy Rome 1977 — the UN members except Andorra, Australia, Bahrain, Belarus, Brunei, Bulgaria, Czech Republic, Latvia, Liechtenstein, Lithuania, Monaco, Montenegro, San Marino, Serbia, Singapore, Slovenia, Slovakia, Turkmenistan, Ukraine Cook Islands, Niue observers: Holy See IFAD 4 International Labour Organization ILO Switzerland Geneva 1919 — the UN members except Andorra, Bhutan, Liechtenstein, Micronesia, Monaco, Nauru, North Korea — ILO 5 International Maritime Organization IMO United Kingdom London 1959 — the UN members except Afghanistan, Andorra, Bhutan, Botswana, Burkina Faso, Burundi, Central African Republic, Chad, Kyrgyzstan, Laos, Lesotho, Liechtenstein, Mali, Micronesia, Niger, Rwanda, South Sudan, Swaziland, Tajikistan, Uzbekistan Cook Islands associate members: Faroe Islands, Hong Kong, Macao IMO 6 International Monetary Fund IMF United States Washington, D.C. 1945 — the UN members except Andorra, Cuba, Liechtenstein, Monaco, and North Korea; Kosovo — IMF 7 International Telecommunication Union ITU Switzerland Geneva 1865 — the UN members except Palau Vatican City observers: Palestine ITU 8 United Nations Educational, Scientific and Cultural Organization UNESCO France Paris 1946 1922 the UN members except Israel, Liechtenstein, United States Cook Islands, Niue, Palestine associate members: Anguila, Aruba, British Virgin Islands, Cayman Islands, Curaçao, Faroe Islands, Macau, Montserrat, New Caledonia, Sint Maarten, Tokelau observers: Holy See NOC only: Liechtenstein, Hong Kong, Bermuda, Guam, American Samoa, Puerto Rico, US Virgin Islands UNESCO 9 United Nations Industrial Development Organization UNIDO Austria Vienna 1985 1966 the UN members except Andorra, Australia, Brunei, Canada, Estonia, Iceland, Kiribati, Latvia, Liechtenstein, Lithuania, Nauru, New Zealand (as of 31 December 2013), Palau, San Marino, Singapore, Solomon Islands, South Sudan, United Kingdom, United States Palestine[22] observers: Holy See, Order of Malta UNIDO 10 Universal Postal Union UPU Switzerland Bern 1874 — the UN members except Andorra, Marshall Islands, the Federated States of Micronesia, Palau Vatican City member countries: Aruba, Curaçao and Sint Maarten, British Overseas Territories, Overseas France observers: Palestine UPU 11 World Bank Group WBG United States Washington, D.C. 1945 — the UN members except Andorra, Cuba, Liechtenstein, Monaco, North Korea Kosovo — WBG 12 World Health Organization WHO Switzerland Geneva 1948 1907 the UN members except Liechtenstein Cook Islands, Niue associate members: Puerto Rico, Tokelau observers: Chinese Taipei (2009-2016), Holy See, Palestine, Order of Malta WHO 13 World Intellectual Property Organization WIPO Switzerland Geneva 1967 — the UN members except Micronesia, Palau, South Sudan Holy See, Niue observers: Palestine WIPO 14 World Meteorological Organization WMO Switzerland Geneva 1950 1873 the UN members except Equatorial Guinea, Grenada, Liechtenstein, Marshall Islands, Palau, Saint Kitts and Nevis, Saint Vincent and the Grenadines, and San Marino Cook Islands, Niue member territories: British Caribbean Territories, Curaçao and Sint Maartin, French Polynesia, Hong Kong, Macau, New Caledonia WMO 15 World Tourism Organization UNWTO Spain Madrid 1974 1925 the UN members except Antigua and Barbuda, Belgium, Belize, Canada, Denmark, Dominica, Estonia, Finland, Grenada, Guyana, Iceland, Ireland, Kiribati, Latvia, Liechtenstein, Luxembourg, Marshall Islands, Micronesia, Nauru, New Zealand, Norway, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Singapore, Solomon Islands, Suriname, Sweden, Tonga, Trinidad and Tobago, Tuvalu, United Arab Emirates, United Kingdom, United States associate members: Aruba, Flemish Community, Hong Kong, Macau, Madeira, Puerto Rico observers: Holy See, Palestine UNWTO Related organizations 16 Comprehensive Nuclear-Test-Ban Treaty Organization Preparatory Commission CTBTO Prep Com Austria Vienna 1996 — the UN members except Bhutan, Cuba, Dominica, India, Mauritius, North Korea, Pakistan, Saudi Arabia, Somalia, South Sudan, Syria, Tonga Cook Islands, Holy See and Niue — CTBTO 17 International Atomic Energy Agency IAEA Austria Vienna 1957 — the UN members except Andorra, Bhutan, Cape Verde, Equatorial Guinea, Gambia, Grenada, Guinea, Guinea-Bissau, Kiribati, Maldives, Micronesia, Nauru, North Korea, Saint Kitts and Nevis, Saint Lucia, São Tomasé and Príncipe, Solomon Islands, Somalia, South Sudan, Suriname, Timor-Leste, Tonga, Tuvalu Holy See — IAEA 18 Organisation for the Prohibition of Chemical Weapons OPCW Netherlands The Hague 1997 — the UN members except Egypt, Israel, North Korea and South Sudan Cook Islands, Holy See and Niue — OPCW 19 World Trade Organization WTO Switzerland Geneva 1995 1948 the UN members except Algeria, Andorra, Azerbaijan, Bahamas, Belarus, Bhutan, Bosnia and Herzegovina, Comoros, Equatorial Guinea, Eritrea, Ethiopia, Iran, Iraq, Kiribati, Lebanon, Libya, Marshall Islands, Micronesia, Monaco, Nauru, North Korea, Palau, San Marino, São Tomé and Príncipe, Serbia, Somalia, South Sudan, Sudan, Syria, Timor-Leste, Tuvalu, Uzbekistan customs territory members: European Union, Hong Kong, Macau, Chinese Taipei observers: Algeria, Andorra, Azerbaijan, Bahamas, Belarus, Bhutan, Bosnia and Herzegovina, Comoros, Equatorial Guinea, Ethiopia, Iran, Iraq, Lebanon, Libya, São Tomé and Príncipe, Serbia, Somalia, South Sudan, Sudan, Syria, Timor-Leste, Uzbekistan, Turkmenistan, Holy See WTO 20 International Organization for Migration IOM Switzerland Geneva 1951 — 172 member states 8 observer states (over 80 global and regional IGOs and NGOs are also observers) IOM