International organization membership of the United States
From Wikipedia, the free encyclopedia
The following is a list of international organizations in which the United States of America officially participates.[1]
Memberships
- Agreement between the United States of America, the United Mexican States, and Canada (USMCA)
- Antarctic Treaty System (ATS)
- Asian Development Bank (ADB) (nonregional member)
- Asia-Pacific Economic Cooperation (APEC)
- Association of Southeast Asian Nations (ASEAN) (dialogue partner)
- Australia Group
- Australia-New Zealand-United States Security Treaty (ANZUS)
- Bank for International Settlements (BIS)
- Black Sea Economic Cooperation Zone (BSEC) (observer)
- Board of Peace
- C5+1
- Council of Europe (CE) (observer)
- Council of the Baltic Sea States (CBSS) (observer)
- Dominican Republic–Central America Free Trade Agreement (CAFTA-DR)
- Euro-Atlantic Partnership Council (EAPC)
- European Bank for Reconstruction and Development (EBRD)
- European Organization for Nuclear Research (CERN) (observer)
- Fédération Internationale de Football Association (FIFA)
- Group of Seven (G7)
- Group of Ten (G10)
- Group of Twenty Finance Ministers and Central Bank Governors (G20)
- Inter-American Development Bank (IADB)
- International Chamber of Commerce (ICC)
- International Criminal Police Organization (Interpol)
- International Energy Agency (IEA)
- International Federation of Red Cross and Red Crescent Societies (IFRCS)
- International Grains Council (IGC)
- International Hydrographic Organization (IHO)
- International Mobile Satellite Organization (IMSO)
- International Olympic Committee (IOC)
- International Organization for Standardization (ISO)
- International Red Cross and Red Crescent Movement (ICRM)
- International Telecommunications Satellite Organization (ITSO)
- International Trade Union Confederation (ITUC)
- North Atlantic Treaty Organization (NATO)
- Nuclear Energy Agency (NEA)
- Nuclear Suppliers Group (NSG)
- Organisation for Economic Co-operation and Development (OECD)
- Organization for Security and Cooperation in Europe (OSCE)
- Organization of American States (OAS)
- Pacific Community (SPC)
- Pacific Islands Forum (PIF) (partner)
- Paris Club
- Permanent Court of Arbitration (PCA)
- South Asian Association for Regional Cooperation (SAARC) (observer)
- Southeast European Cooperative Initiative (SECI) (observer)
- United Nations (UN) - Membership in the UN includes participation in the UN's Six Principal Organs: the General Assembly, Secretariat, International Court of Justice, Security Council, Economic and Social Council, and Trusteeship Council.
- United Nations System
- Food and Agriculture Organization (FAO)
- International Atomic Energy Agency (IAEA)
- International Civil Aviation Organization (ICAO)
- International Fund for Agricultural Development (IFAD)
- International Labour Organization (ILO)
- International Maritime Organization (IMO)
- International Monetary Fund (IMF)
- International Organization for Migration (IOM)
- International Telecommunication Union (ITU)
- Organisation for the Prohibition of Chemical Weapons (OPCW)
- Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO Preparatory Commission)
- United Nations Children's Fund (UNICEF)
- United Nations Conference on Trade and Development (UNCTAD)
- United Nations Educational, Scientific and Cultural Organization (UNESCO)
- United Nations High Commissioner for Refugees (UNHCR)
- United Nations Mission for Justice Support in Haiti (INUJUSTH)
- United Nations Truce Supervision Organization (UNTSO)
- Universal Postal Union (UPU)
- World Bank Group (WBG)
- World Food Programme (WFP)
- World Intellectual Property Organization (WIPO)
- World Meteorological Organization (WMO)
- World Trade Organization (WTO)
- World Customs Organization (WCO)
- World Organization of the Scout Movement (WOSM)
- World Veterans Federation (WVF)
- Zangger Committee (ZC)
Currently withdrawing
- Paris Agreement (Paris Climate Accords)
- United Nations Human Rights Council (UNHRC)
- United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA)
As per presidential memorandum signed on 7 January 2026:[2]
- Non-United Nations Organizations:
- 24/7 Carbon-Free Energy Compact
- Colombo Plan Council
- Commission for Environmental Cooperation
- Education Cannot Wait
- European Centre of Excellence for Countering Hybrid Threats
- Forum of European National Highway Research Laboratories
- Freedom Online Coalition
- Global Community Engagement and Resilience Fund
- Global Counterterrorism Forum
- Global Forum on Cyber Expertise
- Global Forum on Migration and Development
- Inter-American Institute for Global Change Research
- Intergovernmental Forum on Mining, Minerals, Metals, and Sustainable Development
- Intergovernmental Panel on Climate Change
- Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services
- International Centre for the Study of the Preservation and Restoration of Cultural Property
- International Cotton Advisory Committee
- International Development Law Organization
- International Energy Forum
- International Federation of Arts Councils and Culture Agencies
- International Institute for Democracy and Electoral Assistance
- International Institute for Justice and the Rule of Law
- International Lead and Zinc Study Group
- International Renewable Energy Agency
- International Solar Alliance
- International Tropical Timber Organization
- International Union for Conservation of Nature
- Pan American Institute of Geography and History
- Partnership for Atlantic Cooperation
- Regional Cooperation Agreement on Combating Piracy and Armed Robbery against Ships in Asia
- Regional Cooperation Council
- Renewable Energy Policy Network for the 21st Century
- Science and Technology Center in Ukraine
- Secretariat of the Pacific Regional Environment Programme
- Venice Commission of the Council of Europe
- United Nations (UN) Organizations:
- Department of Economic and Social Affairs
- United Nations Economic Commission for Africa
- United Nations Economic Commission for Latin America and the Caribbean
- United Nations Economic and Social Commission for Asia and the Pacific
- United Nations Economic and Social Commission for Western Asia
- International Law Commission
- International Residual Mechanism for Criminal Tribunals
- International Trade Centre
- Office of the Special Adviser on Africa
- Office of the Special Representative of the Secretary General for Children in Armed Conflict
- Office of the Special Representative of the Secretary-General on Sexual Violence in Conflict
- Office of the Special Representative of the Secretary-General on Violence Against Children
- Peacebuilding Commission
- Peacebuilding Fund
- Permanent Forum on People of African Descent
- UN Alliance of Civilizations
- UN Collaborative Programme on Reducing Emissions from Deforestation and Forest Degradation in Developing Countries
- UN Conference on Trade and Development
- UN Democracy Fund
- UN-Energy
- UN Entity for Gender Equality and the Empowerment of Women
- UN Framework Convention on Climate Change
- UN Human Settlements Programme
- UN Institute for Training and Research
- United Nations-Oceans
- UN Population Fund
- UN Register of Conventional Arms
- UN System Chief Executives Board for Coordination
- United Nations System Staff College
- UN-Water
- UN University
Notably absent
- International Criminal Court - Signed treaty, but did not ratify (December 31, 2000). Withdrew signature (May 6, 2002). See also United States and the International Criminal Court.
- World Health Organization (WHO)
