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United Nations: Principal Organs

Principal Organs

General Assembly (GA)
The GA is the main deliberative organ of the United Nations composed of representatives of all member states, each of which has one vote. The GA has six main committees:

Various other GA commissions, committees, or subsidiary bodies are treaty based, some established by GA resolutions.

More information on subsidiary organs can be found at the UN Web site.

Economic and Social Council (ECOSOC)
ECOSOC is the principal United Nations body dealing with economic, social, cultural and health issues, as well as human rights and fundamental rights and freedoms. Similar tasks fall to the Regional Economic Commissions.

International Court of Justice (ICJ)
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As the principal judicial organ of the United Nations, the ICJ djudicates legal disputes submitted to it by States and provides opinions on legal questions referred to it by international agencies.

Secretariat
. The Secretariat carries out the day-to-day work of the organization, providing services to other principal organs of the UN and administering their programs. It is headed by the Secretary-General.
Security Council. The Security Council is responsible for the maintenance of international peace and security. The Council has 15 members-- five permanent and 10 elected by the General Assembly for two-year terms.

Trusteeship Council
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The Trusteeship Council was the organ of the UN responsible for the administration of territories under the UN Trusteeship system. It ceased operation in 1994, with the independence of Palau, the last remaining UN trust territory.