# International organization membership of the United States

The following is a list of international organizations in which the United States of America officially participates.

## Memberships

* Agreement between the United States of America, the United Mexican States, and Canada (USMCA)
* 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)
* C5+1
* Colombo Plan (CP)
* 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 Energy Forum (IEF)
* 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.
** 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 Conference on Trade and Development (UNCTAD)
** United Nations Educational, Scientific and Cultural Organization (UNESCO)
** United Nations High Commissioner for Refugees (UNHCR)
** United Nations Institute for Training and Research (UNITAR)
** United Nations Mission for Justice Support in Haiti (MINUJUSTH)
** United Nations Truce Supervision Organization (UNTSO)
* Universal Postal Union (UPU)
* World Bank Group (WBG)
** International Bank for Reconstruction and Development (IBRD)
** International Centre for Settlement of Investment Disputes (ICSID)
** International Development Association (IDA)
** International Finance Corporation (IFC)
** Multilateral Investment Guarantee Agency (MIGA)
* 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 or 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.
* United Nations Human Rights Council (UNHRC)
* United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA)
* World Health Organization (WHO)