International organization membership of the United States

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


 * 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 Human Rights Council (UNHRC)
 * United Nations Institute for Training and Research (UNITAR)
 * United Nations Mission for Justice Support in Haiti (MINUJUSTH)
 * United Nations Relief and Works Agency for Palestine Refugees in the Near East (UNRWA)
 * 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 Health Organization (WHO)
 * 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)

Notable Absences

 * International Criminal Court - Signed treaty, but did not ratify (December 31, 2000). Withdrew signature (May 6, 2002)