constituent organizations - the UN is composed of six principal organs and numerous subordinate agencies and bodies as follows:
1) Secretariat
2) General Assembly: Joint United Nations Program on HIV/AIDS (UN
AIDS), International Research and Training Institute for the
Advancement of Women (INSTRAW), Office of the United Nations High
Commissioner for Human Rights (OHCHR), Organization for the Prohibition
of Chemical Weapons (OPCW), Preparation Commission for the Nuclear-Ban-
Treaty Operation ((CTBTU), United Nations Center for Human Settlements
(UN-Habitat), United Nations Children's Fund (UNICEF), United Nations
Conference on Trade and Development (UNCTAD), United Nations
Development Program (UNDP), United Nations Drug Control Program
(UNDCP), United Nations Environment Program (UNEP), United Nations High
Commissioner for Refugees (UNHCR), United Nations Institute for
Disarmament Research (UNIDIR), United Nations Institute for Training
and Research (UNITAR), United Nations Interregional Crime and Justice
Research Institute (UNICRI), United Nations Population Fund (UNFPA),
United Nations Office of Project Services (UNOPS), United Nations
Relief and Works Agency for Palestine Refugees in the Near East
(UNRWA), United Nations Research Institute for Social Development
(UNRISD), United Nations System Staff College (UNSSC), United Nations
University (UNU), World Food Program (WFP)
3) Security Council: International Criminal Tribunal for the Former
Yugoslavia (ICTY), International Criminal Tribunal for Rwanda (ICTR),
United Nations Compensation Commission, United Nations Disengagement
Observer Force (UNDOF), United Nations Integrated Mission in Timor-
Leste (UNMIT), United Nations Interim Administration Mission in Kosovo
(UNMIK), United Nations Interim Force in Lebanon (UNIFIL), United
Nations Mission in Liberia (UNMIL), United Nations Military Observer
Group in India and Pakistan (UNMOGIP), United Nations Operation in
Burundi (ONUB), United Nations Operation in Cote d'Ivoire (UNOCI),
United Nations Mission for the Referendum in Western Sahara (MINURSO),
United Nations Mission in Ethiopia and Eritrea (UNMEE), United Nations
Mission in the Sudan (UNMIS), United Nations Monitoring and
Verification Commission (UNMOVIC), United Nations Observer Mission in
Georgia (UNOMIG), United Nations Organization Mission in the Democratic
Republic of the Congo (MONUC), United Nations Peace-Keeping Force in
Cyprus (UNFICYP), United Nations Stabilization Mission in Haiti
(MINUSTAH), and United Nations Truce Supervision Organization (UNTSO)
4) Economic and Social Council (ECOSOC): Commission for Social
Development, Commission on Crime Prevention and Criminal Justice,
Commission on Narcotics Drugs, Commission on Population and
Development, Commission on Science and Technology for Development,
Commission on Sustainable Development, Commission on the Status of
Women, Economic and Social Commission for Asia and the Pacific (ESCAP),
Economic and Social Commission for Western Asia (ESCWA), Economic
Commission for Africa (ECA), Economic Commission for Europe (ECE),
Economic Commission for Latin America and the Caribbean (ECLAC), Food
and Agriculture Organization of the United Nations (FAO), International
Atomic Energy Agency (IAEA), International Bank for Reconstruction and
Development (IBRD), International Center for Secretariat of Investment
Disputes (ICSID), International Civil Aviation Organization (ICAO),
International Development Association (IDA), International Finance
Corporation (IFC), International Fund for Agricultural Development
(IFAD), International Labor Organization (ILO), International Maritime
Organization (IMO), International Monetary Fund (IMF), International
Telecommunication Union (ITU), Multilateral Investment Geographic
Agency (MIGA), Statistical Commission, United Nations Educational,
Scientific, and Cultural Organization (UNESCO), United Nations Forum on
Forests, United Nations Industrial Development Organization (UNIDO),
Universal Postal Union (UPU), World Health Organization (WHO), World
Intellectual Property Organization (WIPO), World Meteorological
Organization (WMO), World Tourism Organization (WToO), and World Trade
Organization (WTO)
5) Trusteeship Council (inactive; no trusteeships at this time)
6) International Court of Justice (ICJ)
United Nations Children's Fund (UNICEF): note - acronym retained from the predecessor organization, UN International Children's Emergency Fund
established - 11 December 1946
aim - to help establish child health and welfare services