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The United Nations System consists of the
United Nations The United Nations (UN) is an intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member states''), or of other organizations through formal ...

United Nations
' six principal organs (the
General Assembly A general assembly or general meeting is a meeting of all the members of an organization or shareholders of a company. Specific examples of general assembly include: Churches * General Assembly (presbyterian church), the highest court of presbyt ...
,
Security Council The United Nations Security Council (UNSC) is one of the Organs of the United Nations, six principal organs of the United Nations (UN), charged with ensuring international security, international peace and security, recommending the admission ...

Security Council
,
Economic and Social Council (ECOSOC)
Economic and Social Council (ECOSOC)
,
Trusteeship Council The United Nations Trusteeship Council (french: Conseil de tutelle des Nations unies) is one of the six principal organs of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain internation ...
,
International Court of Justice (ICJ)
International Court of Justice (ICJ)
, and the UN Secretariat), the
Specialized Agencies United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, d ...
and related organizations. The UN System includes subsidiary bodies such as the separately administered funds and programmes, research and training institutes, and other subsidiary entities. Some of these organizations predate the founding of the United Nations in 1945 and were inherited after the dissolution of the
League of Nations The League of Nations (french: Société des Nations ), was the first worldwide intergovernmental organisation An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member state ...
. The executive heads of some of the United Nations System organizations and the
World Trade Organization The World Trade Organization (WTO) is an intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member states''), or of other organizations through ...
, which is not formally part of the United Nations System, have seats on the United Nations System Chief Executives' Board for Coordination (CEB). This body, chaired by the
Secretary-General of the United Nations The secretary-general of the United Nations (UNSG or SG) is the chief administrative officer of the United Nations and head of the United Nations Secretariat, one of the United Nations System#Six principal organs, six principal organs of the Un ...
, meets twice a year to co-ordinate the work of the organizations of the United Nations System.


Six principal organs

The
United Nations The United Nations (UN) is an intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member states''), or of other organizations through formal ...

United Nations
itself has six principal organs established by the
Charter of the United Nations The Charter of the United Nations (also known as the UN Charter) is the foundational treaty A treaty is a formal, legally binding written agreement between actors in international law International law, also known as public internation ...

Charter of the United Nations
:


General Assembly

The United Nations General Assembly (UNGA/GA) consists of all United Nations Member States and meets in regular session once a year under a president elected from among the representatives. Its powers are to oversee the budget of the United Nations, appoint the non-permanent members to the Security Council, receive reports from other parts of the United Nations and make recommendations in the form of General Assembly Resolutions. It has also established a wide number of subsidiary organs.


Security Council

The United Nations Security Council (UNSC) is charged with the maintenance of international peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of international sanctions, and the authorization of military action. Its powers are exercised through United Nations Security Council resolutions. The Security Council held its first ever session on 17 January 1946 at Church House, Westminster, London. Since its first meeting, the council, which exists in continuous session, has travelled widely, holding meetings in many cities, such as Paris and Addis Ababa, as well as at its current permanent home at the United Nations Headquarters in New York City. There are 15 members of the Security Council, consisting of five veto-wielding permanent members (China, France, Russia, the United Kingdom, and the United States) and 10 elected non-permanent members with two-year terms. This basic structure is set out in Chapter V of the UN Charter. Security Council members must always be present at UN headquarters in New York so that the Security Council can meet at any time.


Economic and Social Council

The United Nations Economic and Social Council (ECOSOC) is responsible for co-ordinating the economic, social, and related work of 15 UN specialized agencies, their functional commissions and five regional commissions. ECOSOC has 54 members; it holds a four-week session each year in July. Since 1998, it has also held a meeting each April with finance ministers heading key committees of the World Bank and the International Monetary Fund (IMF). The ECOSOC serves as the central forum for discussing international economic and social issues, and for formulating policy recommendations addressed to member states and the United Nations System.


Secretariat

The United Nations Secretariat is headed by the United Nations Secretary-General, assisted by a staff of international civil servants worldwide. It provides studies, information, and facilities needed by United Nations bodies for their meetings. It also carries out tasks as directed by the UN Security Council, the UN General Assembly, the UN Economic and Social Council, and other U.N. bodies. The United Nations Charter provides that the staff is to be chosen by application of the "highest standards of efficiency, competence, and integrity," with due regard for the importance of recruiting on a wide geographical basis. The charter provides that the staff shall not seek or receive instructions from any authority other than the UN. Each UN member country is enjoined to respect the international character of the secretariat and not seek to influence its staff. The secretary-general alone is responsible for staff selection. *
Office of the United Nations High Commissioner for Human Rights The Office of the United Nations High Commissioner for Human Rights, commonly known as the Office of the High Commissioner for Human Rights (OHCHR) or the United Nations Human Rights Office, is a department of the Secretariat of the United Natio ...
(OHCHR) *
United Nations Office on Drugs and Crime The United Nations Office on Drugs and Crime (UNODC; French: ''Office des Nations unies contre la drogue et le crime'') is a United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international ...
(UNODC) *
United Nations Office of Internal Oversight Services The United Nations Office of Internal Oversight Services (OIOS) is an independent office in the United Nations Secretariat whose mandate is to "assist the Secretary-General in fulfilling his internal oversight responsibilities in respect of the res ...
(UN-OIOS) * United Nations Office for Disaster Risk Reduction (UNDRR, formerly UNISDR)


International Court of Justice

The International Court of Justice is the primary judicial organ of the United Nations. It is based in the Peace Palace in The Hague, Netherlands. Its main functions are to settle legal disputes submitted to it by states and to provide advisory opinions on legal questions submitted to it by duly authorized international organs, agencies, and the UN General Assembly.


Trusteeship Council

The United Nations Trusteeship Council, one of the principal organs of the United Nations, was established to ensure that trust territories were administered in the best interests of their inhabitants and of international peace and security. The trust territories—most of them are former mandates of the League of Nations or territories taken from nations defeated at the end of World War II—have all now attained self-government or independence, either as separate nations or by joining neighbouring independent countries. The last was
Palau Palau (), officially the Republic of Palau ( pau, Beluu er a Belau) and historically ''Belau'', ''Palaos'' or ''Pelew'', is an island country An island country or an island nation is a country A country is a distinct territory, t ...

Palau
, formerly part of the
Trust Territory of the Pacific Islands The Trust Territory of the Pacific Islands (TTPI) was a United Nations trust territory United Nations trust territories were the successors of the remaining League of Nations mandates and came into being when the League of Nations ceased to ...
, which became a member state of the United Nations in December 1994.


Funds and programmes, research and training institutes, and other bodies

The separately administered funds and programmes, research and training institutes, and other subsidiary bodies are autonomous subsidiary organs of the United Nations.


Funds and programmes

Throughout its history the United Nations General Assembly has established a number of programmes and funds to address particular humanitarian and development concerns. These are financed through voluntary rather than assessed contributions. These bodies usually report to the General Assembly through an executive board. Only one UN programme has ever closed in the history of the organization, the United Nations Relief and Rehabilitation Administration (UNRRA), which ceased to exist in 1959 and was subsequently replaced by the UNHCR. Each of the funds and programmes is headed by an executive director at the
under-secretary-general An Under-Secretary-General of the United Nations (USG) is a senior official An official is someone who holds an office (function or mandate, regardless whether it carries an actual working space with it) in an organization or government ...
level and is governed by an executive board. One former fund, the
United Nations Development Fund for Women The United Nations Development Fund for Women (UNIFEM, french: Fonds de développement des Nations unies pour la femme, ) was established in December 1976 originally as the Voluntary Fund for the United Nations Decade for Women in the Internationa ...
(UNIFEM), was merged with other elements of the United Nations System into a new organization,
UN Women The United Nations Entity for Gender Equality and the Empowerment of Women, also known as UN Women, is a United Nations entity working for gender equality and the Women's empowerment, empowerment of women. It focuses on a wide array of issues, inc ...
, in January 2011.


Research and training institutes

Various institutes were established by the General Assembly to perform independent research and training. One former institute, the
International Research and Training Institute for the Advancement of Women The International Research and Training Institute for the Advancement of Women (INSTRAW ) was a subsidiary of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and inte ...
(INSTRAW), was merged with other elements of the United Nations System into a new organization,
UN Women The United Nations Entity for Gender Equality and the Empowerment of Women, also known as UN Women, is a United Nations entity working for gender equality and the Women's empowerment, empowerment of women. It focuses on a wide array of issues, inc ...
, in January 2011. *
United Nations Institute for Disarmament Research The United Nations Institute for Disarmament Research (UNIDIR) was established in 1980 by the United Nations General Assembly The United Nations General Assembly (UNGA or GA; french: link=no, Assemblée générale, AG) is one of the six ...
(UNIDIR) *
United Nations Institute for Training and Research The United Nations Institute for Training and Research (UNITAR) is a dedicated training arm of the United Nations system. UNITAR provides training and capacity development activities to assist mainly developing countries with special attention ...
(UNITAR) * United Nations Interregional Crime and Justice Research Institute (UNICRI) *
United Nations Research Institute for Social Development The United Nations Research Institute for Social Development (UNRISD) is "an autonomous research institute within the United Nations that undertakes multidisciplinary research and policy analysis on the social dimensions of contemporary develop ...
(UNRISD) * United Nations System Staff College (UNSSC) *
United Nations University The (UNU) is the academic and research arm of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, develop friendly relations am ...

United Nations University
(UNU)


Secretariats of Conventions

*
Convention on the Rights of Persons with Disabilities The Convention on the Rights of Persons with Disabilities is an international human rights International human rights law (IHRL) is the body of international law International law, also known as public international law and law of nations, is ...
*
UNCCD The United Nations Convention to Combat Desertification in Those Countries Experiencing Serious Drought and/or Desertification, Particularly in Africa (UNCCD) is a Convention to combat desertification and mitigate the effects of drought through n ...

UNCCD
– United Nations Convention to Combat Desertification *
UNFCCC The United Nations Framework Convention on Climate Change (UNFCCC) established an international International is an adjective (also used as a noun) meaning "between nations". International may also refer to: Music Albums * ''International'' ...
– United Nations Framework Convention on Climate Change *
UNCLOS The United Nations Convention on the Law of the Sea (UNCLOS), also called the Law of the Sea Convention or the Law of the Sea Treaty, is an that establishes a legal framework for all marine and maritime activities. , 167 countries and the are par ...

UNCLOS
– United Nations Convention on the Law of the Sea established bodies: ** ISA – International Seabed Authority **
ITLOS Image:Hamburg.IntSeegerichtshof.Elbseite.wmt.jpg, 275px, ITLOS seen from Elbchaussee, close to the River Elbe The International Tribunal for the Law of the Sea (ITLOS) is an intergovernmental organization created by the mandate of the United Natio ...
– International Tribunal for the Law of the Sea


Other Entities and Bodies

*
Joint United Nations Programme on HIV/AIDS The Joint United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international security, security, develop friendly relations among nations, achieve international cooper ...
(UNAIDS) *
International Trade Centre The International Trade Centre (ITC) () is a multilateral agency which has a joint mandate with the World Trade Organization The World Trade Organization (WTO) is an intergovernmental organization that regulates and facilitates interna ...
(ITC) *
United Nations Office for Project Services The United Nations Office for Project Services (UNOPS) is an operational arm of the United Nations, dedicated to implementing projects for the United Nations System The United Nations System consists of the United Nations' six principal organ ...
(UNOPS) *
United Nations Conference on Trade and Development The United Nations Conference on Trade and Development (UNCTAD) was established in 1964 as an intergovernmental organization intended to promote the interests of developing states in world trade. UNCTAD is the part of the United Nations Secr ...
(UNCTAD)


Specialized agencies

The specialized agencies are autonomous organizations working with the United Nations and each other through the co-ordinating machinery of the Economic and Social Council and the Chief Executives Board for Coordination. Each was integrated into the UN System by way of an agreement with the UN under UN Charter article 57 (except ICSID and MIGA, both part of the World Bank Group). *
Food and Agriculture Organization The Food and Agriculture Organization of the United Nations (FAO)french: Organisation des Nations unies pour l'alimentation et l'agriculture; it, Organizzazione delle Nazioni Unite per l'Alimentazione e l'Agricoltura is a specialized agency ...
(FAO) *
International Civil Aviation Organization The International Civil Aviation Organization (ICAO) is a specialized and funding agency of the United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and international s ...
(ICAO) *
International Fund for Agricultural Development The International Fund for Agricultural Development (IFAD; french: Fonds international de développement agricole (FIDA)) is an international financial institution An international financial institution (IFI) is a financial institution that h ...
(IFAD) *
International Labour Organization The International Labour Organization (ILO) is a United Nations agency whose mandate is to advance social and economic justice through setting international labour standards. Founded in October 1919 under the League of Nations, it is the fir ...
(ILO) *
International Maritime Organization The International Maritime Organization (IMO, French: ''Organisation Maritime Internationale''; known as the Inter-Governmental Maritime Consultative Organization until 1982) is a specialised agency of the United Nations United Nations Spec ...
(IMO) *
International Monetary Fund The International Monetary Fund (IMF) is an international financial institution, headquartered in Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument The ...

International Monetary Fund
(IMF) *
International Telecommunication Union The International Telecommunication Union is a list of specialized agencies of the United Nations, specialized agency of the United Nations responsible for all matters related to information and communications technology, information and co ...

International Telecommunication Union
(ITU) *
United Nations Educational, Scientific and Cultural Organization The United Nations Educational, Scientific and Cultural Organization (UNESCO french: Organisation des Nations unies pour l'éducation, la science et la culture) is a specialised agency of the United Nations The United Nations (UN) is an ...
(UNESCO) *
United Nations Industrial Development Organization The United Nations Industrial Development Organization (UNIDO) (French/Spanish acronym: ONUDI) is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nation ...
(UNIDO) *
Universal Postal Union The Universal Postal Union (UPU, french: Union postale universelle), established by the Treaty of Bern of 1874, is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations ...
(UPU) *
World Bank Group The World Bank Group (WBG) is a family of five international organization ''International Organization'' is a quarterly peer-reviewed academic journal that covers the entire field of international relations, international affairs. It was establ ...

World Bank Group
(WBG) **
International Bank for Reconstruction and Development The International Bank for Reconstruction and Development (IBRD) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country ...
(IBRD) **
International Centre for Settlement of Investment Disputes International Centre for Settlement of Investment Disputes (ICSID) is an international arbitration institution established in 1966 for legal dispute resolution Dispute resolution or dispute settlement is the process of resolving disputes b ...

International Centre for Settlement of Investment Disputes
(ICSID) **
International Development Association The International Development Association (IDA) (french: link=no, Association internationale de développement) is an international financial institution which offers concessional loans and grant (money), grants to the world's poorest developing ...

International Development Association
(IDA) **
International Finance Corporation The International Finance Corporation (IFC) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence is subject t ...

International Finance Corporation
(IFC) **
Multilateral Investment Guarantee Agency The Multilateral Investment Guarantee Agency (MIGA) is an international financial institution An international financial institution (IFI) is a financial institution that has been established (or chartered) by more than one country, and hence is ...

Multilateral Investment Guarantee Agency
(MIGA) *
World Health Organization The World Health Organization (WHO) is a specialized agency of the United Nations United Nations Specialized Agencies are autonomous organizations working with the United Nations and each other through the co-ordinating machinery of the Unit ...
(WHO) *
World Intellectual Property Organization The World Intellectual Property Organization (WIPO; french: Organisation mondiale de la propriété intellectuelle (OMPI)) is one of the list of specialized agencies of the United Nations, 15 specialized agencies of the United Nations (UN). Pu ...
(WIPO) *
World Meteorological Organization The World Meteorological Organization (WMO) is a specialized agency United Nations Specialized Agencies are autonomous organizations working with the United Nations The United Nations (UN) is an intergovernmental organization that aims ...
(WMO) *
World Tourism Organization The World Tourism Organization (UNWTO) is the United Nations The United Nations (UN) is an intergovernmental organization aiming to maintain international peace and international security, security, develop friendly relations among n ...
(UNWTO) * ''
International Refugee Organization The International Refugee Organization (IRO) was an intergovernmental organization founded on 20 April 1946 to deal with the massive refugee problem created by World War II World War II or the Second World War, often abbreviated as ...

International Refugee Organization
(IRO); ceased to exist in 1952''


Related organizations

Some organizations have a relationship with the UN defined by an arrangement different from the agreements between the specialized agencies and the UN, which are established under Articles 57 and 63 of the
United Nations Charter The Charter of the United Nations (also known as the UN Charter) is the foundational treaty A treaty is a formal, legally binding written agreement between actors in international law International law, also known as public internation ...

United Nations Charter
.United Nations System of Organizations
"Entries listed in bold are members of the United Nations System's Chief Executives Board".


International Organization for Migration (IOM)

The
IOM IOM may refer to: * Indian Order of Merit, a military and civilian decoration in British India. * Infraorbital margin, the lower margin of the eye socket * Institute of Medicine, a not-for-profit, non-governmental American organization founded in 19 ...
, established in 1951, is the leading inter-governmental organization in the field of migration and works closely with governmental, intergovernmental and non-governmental partners. IOM works to help ensure the orderly and humane management of migration, to promote international cooperation on migration issues, to assist in the search for practical solutions to migration problems and to provide humanitarian assistance to migrants in need, including refugees and internally displaced people. In September 2016, IOM joined the United Nations System as a related organization during the United Nations General Assembly high-level summit to address large movements of refugees and migrants.


Comprehensive Nuclear-Test-Ban Treaty Organization Preparatory Commission (CTBTO PrepCom)

The CTBTO PrepCom reports to the UN General Assembly.


International Atomic Energy Agency (IAEA)

The relationship between the
IAEA The International Atomic Energy Agency (IAEA) is an international organization An international organization (also known as an international institution or intergovernmental organization) is a stable set of norms and rules meant to gove ...
and the UN was established by a resolution of the UN General Assembly. Unlike the specialized agencies which report to ECOSOC, the IAEA reports to the General Assembly as well as the Security Council. Like the other specialized agency's heads, their executives are part of the United Nations System Chief Executives' Board for Coordination (CEB).


Organisation for the Prohibition of Chemical Weapons (OPCW)

The
OPCW The Organisation for the Prohibition of Chemical Weapons (OPCW) is an intergovernmental organisation and the implementing body for the Chemical Weapons Convention, which entered into force on 29 April 1997. The OPCW, with its 193 member states ...
is not an agency of the United Nations, but cooperates both on policy and practical issues. On 7 September 2000 the OPCW and the UN signed a co-operation agreement outlining how they were to co-ordinate their activities. Under this agreement, the OPCW reports to the UN General Assembly.


World Trade Organization (WTO)

The
WTO The World Trade Organization (WTO) is an intergovernmental organization that regulates and facilitates international trade between nations. Governments use the organization to establish, revise, and enforce the rules that govern international ...
does not have a formal agreement with the UN. Instead, their relationship is governed by exchanges of letters. Unlike the specialized agencies and the IAEA, the WTO has no reporting obligations towards any of the principal organs of the UN, but provides contribution to the work of the General Assembly and ECOSOC. The WTO has a seat on the CEB.


Chief Executives Board and Senior Management Group

The United Nations Chief Executives' Board for Coordination (CEB) brings together on a regular basis the executive heads of the organizations of the United Nations System, under the chairmanship of the secretary-general of the UN. The CEB aims to further co-ordination and co-operation on a whole range of substantive and management issues facing UN System organizations. In addition to its regular reviews of contemporary political issues and major concerns facing the UN System, the CEB approves policy statements on behalf of the UN System as a whole. Three committees report to the CEB, namely the High-level Committee on Programme (HCLP), the High-level Committee on Management (HCLM) and the
United Nations Development Group The United Nations Sustainable Development Group (UNSDG), previously the United Nations Development Group (UNDG), is a consortium of 36 United Nations The United Nations (UN) is an intergovernmental organization that aims to maintain inte ...
(UNDG). Each of those bodies has, in turn, developed a subsidiary machinery of regular and bodies on the substantive and managerial aspects of inter-agency co-ordination. The committee structure is supported by a CEB secretariat located in New York and Geneva. There is also a Senior Management Group, composed of some of the senior officials in the secretariat and the funds and programmes at the
Under-Secretary-General An Under-Secretary-General of the United Nations (USG) is a senior official An official is someone who holds an office (function or mandate, regardless whether it carries an actual working space with it) in an organization or government ...
and Assistant Secretary-General rank, which serves as the cabinet of the
Secretary-General Secretary is a title often used in organizations to indicate a person having a certain amount of authority In the fields of sociology Sociology is the study of society, human social behaviour, patterns of social relationships, social intera ...
.


United Nations common system

The United Nations, its subsidiary bodies, thirteen of the specialized agencies (ILO, FAO, UNESCO, WHO, ICAO, UPU, ITU, WMO, IMO, WIPO, IFAD, UNIDO, and UNWTO), and one related body (IAEA) are part of the United Nations common system of salaries, allowances, and benefits administered by the
International Civil Service CommissionThe International Civil Service Commission (ICSC) is a subsidiary body of the United Nations General Assembly The United Nations General Assembly (UNGA or GA; french: link=no, Assemblée générale, AG) is one of the six principal organs of t ...
. Most, but not all, of the members of the United Nations System are part of the common system; the
Bretton Woods institutions The Bretton Woods system of monetary management established the rules for commercial and financial relations among the United States The United States of America (USA), commonly known as the United States (U.S. or US), or America, is a ...
(i.e. the World Bank Group and the IMF) are notable exceptions. The WTO utilizes the OECD common system. The UN common system was established to prevent competition amongst organizations of the United Nations System for staff and to facilitate co-operation and exchange between organizations. Some
international organizations An international organization (also known as an international institution or intergovernmental organization) is a stable set of norms and rules meant to govern the behavior of states and other actors in the international system. Organizations m ...
that are not part of the United Nations System (and therefore not members of the common system) but who voluntarily follow the policies of the common system in whole or in part include: *
Organization for Security and Co-operation in Europe The Organization for Security and Co-operation in Europe (OSCE) is the world's largest security-oriented intergovernmental organization An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (refer ...
(OSCE) *
Organization of American States The Organization of American States (OAS; es, Organización de los Estados Americanos, pt, Organização dos Estados Americanos, french: Organisation des États américains; ''OEA'') is an international organization that was founded on 30 April ...

Organization of American States
(OAS)Article 40 of the General Standards to govern the operations of the General Secretariat


See also

*
League of Nations The League of Nations (french: Société des Nations ), was the first worldwide intergovernmental organisation An intergovernmental organization (IGO) is an organization composed primarily of sovereign states (referred to as ''member state ...
for a rudimentary model on which the UN System is based * List of United Nations organizations by location *
Member states of the United Nations Member may refer to: * Military jury A United States military "jury" (or "Members", in military parlance) serves a function similar to an American civilian jury, but with several notable differences. Only a Courts-martial in the United States, Ge ...

Member states of the United Nations
* Outline of the United Nations * Special Service Agreement * Vienna formula


References


External links


Official directory of the UN System



UN System Organizational Chart

Global Issues on the UN Agenda

UN System – CEB (Chief Executives Board)

UN – Senior Management Group

United Nations
– Official site {{Authority control *