While the United Nations is an International organization, the United Nations System is the whole network of international organizations, treaties and conventions that were created by the United Nations.
The United Nations System is based on six principal organs:
In addition separate organizations, often subordinate to the principal organs, has been created to solve specialized tasks.
Main article: UN General Assembly
- Main committees
- Other sessional committees
- Standing committees and ad hoc bodies
- Other subsidiary organs
- UNCTAD - United Nations Conference on Trade and Development
- ITC[?] - International Trade Centre (UNCTAD/WTO)
- UNDCP[?] - United Nations Drug Control Programme
- UNDP - United Nations Development Programme
- UNIFEM[?] - United Nations Development Fund for Women
- UNV[?] - United Nations Volunteers
- UNEP - United Nations Environment Programme
- UNFPA - United Nations Fund for Population Activities
- UNHCR - Office of the United Nations High Commissioner for Refugees
- UNHSP[?] - United Nations Human Settlements Programme
- UNICEF - United Nations Children's Fund
- WFP[?] - World Food Programme
- UNRWA - United Nations Relief and Works Agency for Palestine Refugees in the Near East (Reports only to the General Assembly)
- INSTRAW[?] - International Research and Training Institute for the Advancement of Women
- UNICRI[?] - United Nations Interregional Crime and Justice Research Institute
- UNITAR[?] - United Nations Institute for Training and Research
- UNRISD[?] - United Nations Research Institute for Social Development
- UNIDIR[?] - United Nations Institute for Disarmament Research (Reports only to the General Assembly)
Main article: UN Security Council
- Military Staff Committee
- Standing Committee and ad hoc bodies
- International Criminal Tribunal for the Former Yugoslavia
- International Criminal Tribunal for Rwanda
- UN Monitoring, Verification and Inspection Commission (Iraq)
- Peacekeeping Operations and Missions
- UNAMIR[?] - United Nations Assistance Mission for Rwanda
- UNAMSIL[?] - United Nations Mission in Sierra Leone
- UNAVEM III[?] - United Nations Angola Verification Mission III
- UNCRO[?] - United Nations Confidence Restoration Operation in Croatia
- UNDOF[?] - United Nations Disengagement Observer Force
- UNFICYP[?] - United Nations Peace-keeping Force in Cyprus
- UNIFIL[?] - United Nations Interim Force in Lebanon
- UNIKOM - United Nations Iraq-Kuwait Observation Mission
- UNMIBH - United Nations Mission in Bosnia and Herzegovina
- UNMIK - United Nations Interim Administration Mission in Kosovo
- UNMOGIP[?] - United Nations Military Observer Group in India and Pakistan
- UNMOP - United Nations Mission of Observers in Prevlaka
- UNMOT[?] - United Nations Mission of Observers in Tajikistan
- UNMOVIC - United Nations Monitoring and Verification Commission
- UNOMIG[?] - United Nations Observer Mission in Georgia
- UNOMSIL[?] - United Nations Mission of Observers in Sierra Leone
- UNSMIH[?] - United Nations Support Mission in Haiti
- UNTAET - United Nations Transitional Administration in East Timor
- UNTSO - United Nations Truce Supervision Organization
Main article: UN Economic and Social Council
- Commission for Social Development
- Commission on Human Rights
- Commission on Narcotic Drugs
- Commission on Crime Prevention and Criminal Justice
- Commission on Science and Technology for Development
- Commission on Sustainable Development
- Commission on the Status of Women
- Commission on Population and Development
- Statistical Commission
- United Nations Economic Commission for Europe (ECE)
- United Nations Economic Commission for Africa (ECA)
- United Nations Economic Commission for Latin America and the Caribbean (ECLAC)
- United Nations Economic and Social Commission for Asia and the Pacific (ESCAP)
- United Nations Economic and Social Commission for Western Asia (ESCWA)
The Specialized Agencies are autonomous organizations working with the United Nations and each other through the coordinating machinery of the UN Economic and Social Council.
- ILO - International Labour Organization
- FAO - Food and Agriculture Organization
- UNESCO - United Nations Educational, Scientific and Cultural Organization
- WHO - World Health Organization
- World Bank Group
- IBRD - International Bank for Reconstruction and Development
- IDA - International Development Association
- IFC - International Finance Corporation
- MIGA[?] - Multilateral Investment Guarantee Agency
- ICSID[?] - International Centre for Settlement of Investment Disputes
- IMF - International Monetary Fund
- ICAO - International Civil Aviation Organization
- IMO - International Maritime Organization
- ITU - International Telecommunication Union
- UPU - Universal Postal Union
- WMO - World Meteorological Organization
- WIPO - World Intellectual Property Organization
- IFAD - International Fund for Agricultural Development
- UNIDO - United Nations Industrial Development Organization
- IRO - International Refugee Organization(ceased to exist in 1952)
- United Nations Forum on Forests
- Sessional and Standing Committees Expert, ad hoc and related bodies
Main article: UN Secretariat
The United Nations Secretariat is lead by the Secretary-General of the United Nations, currently is Kofi Annan of Ghana.
- OSG[?] - Office of the Secretary-General
- OIOS[?] - Office of Internal Oversight Services
- OLA[?] - Office of Legal Affairs
- DPA - Department of Political Affairs
- DDA[?] - Department for Disarmament Affairs
- DPKO[?] - Department of Peacekeeping Operations
- OCHA[?] - Office for the Coordination of Humanitarian Affairs
- DESA[?] - Department of Economic and Social Affairs
- DGACM[?] - Department of General Assembly and Conference Management
- DPI[?] - Department of Public Information
- DM[?] - Department of Management
- OIP[?] - Office of the Iraq Programme
- UNSECOORD[?] - Office of the United Nations Security Coordinator
- OHRLLS[?] - Office of the High Representative for the Least Developed Countries, Landlocked Developing Countries and Small Island Developing States
- ODC[?] - Office on Drugs and Crime
- UNOG[?] - UN Office at Geneva
- UNOV[?] - UN Office at Vienna
- UNON[?] - UN Office at Nairobi