The following is a list of the major existing intergovernmental organizations (IGOs).
For a more complete listing, see the Yearbook of International Organizations, which includes c25,000 international non-governmental organizations (INGOs), excluding for-profit enterprises, about 5,000 IGOs, and lists dormant and dead organizations as well as those in operation (figures as of the 49th edition, 2012/13).
The UN has six principal organs:
The UN also includes various Funds, Programmes and specialized agencies:
The UN also includes subsidiary organs:
(disbanded)