List of intergovernmental organizations

The following is a list of the major existing intergovernmental organizations (IGOs).

For a more complete listing, see the Yearbook of International Organizations,^[1] which includes 25,000 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 400th edition, 2012/13). A 2020 academic dataset on international organizations included 561 intergovernmental organizations between 1815 and 2015; more than one-third of those IGOs ended up defunct.^[2]

^ Union of International Associations, ed. (1998), Yearbook of international organizations, Leiden: Brill (six volumes in print format, plus online, subscription-based edition)
^ Eilstrup-Sangiovanni, Mette (2020). "Death of international organizations. The organizational ecology of intergovernmental organizations, 1815–2015". The Review of International Organizations. 15 (2): 339–370. doi:10.1007/s11558-018-9340-5. hdl:1814/60598. ISSN 1559-744X. S2CID 158698033.

[1] Union of International Associations, ed. (1998), Yearbook of international organizations, Leiden: Brill (six volumes in print format, plus online, subscription-based edition)

[2] Eilstrup-Sangiovanni, Mette (2020). "Death of international organizations. The organizational ecology of intergovernmental organizations, 1815–2015". The Review of International Organizations. 15 (2): 339–370. doi:10.1007/s11558-018-9340-5. hdl:1814/60598. ISSN 1559-744X. S2CID 158698033.

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