List of parties to the Treaty on the Prohibition of Nuclear Weapons

The list of parties to the Treaty on the Prohibition of Nuclear Weapons encompasses the states which have signed and ratified or acceded to the Treaty on the Prohibition of Nuclear Weapons, a multilateral treaty outlawing nuclear weapons.

Participation in the Treaty on the Prohibition of Nuclear Weapons[1]
  Parties
  Signatories

On 20 September 2017, the treaty was opened for signature.[1] Following Article 15 of the treaty, it entered into force on 22 January 2021 after it had been ratified by 50 states.[1][2] Since then, states that did not sign the treaty may only accede to it.

A total of 197 states may become parties to the Treaty on the Prohibition of Nuclear Weapons, including all 193 United Nations member states, the Cook Islands, the Holy See, the State of Palestine and Niue. As of September 2021, 56 states have ratified or acceded to the treaty, most recently Chile in September 2021.[1]


Share this article:

This article uses material from the Wikipedia article List of parties to the Treaty on the Prohibition of Nuclear Weapons, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.