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States Parties


State with nuclear-free security policy

Comoros is a state party to the TPNW from 20 May 2021 and is in compliance with all of the prohibitions in Article 1.

TPNW status
Signed (20 Sep 2017) and ratified (19 Feb 2021)
Compliance with prohibitions in TPNW Article 1(1)
Art 1(1)(a) Develop, produce, manufacture, acquire Compliant
Test Compliant
Possess or stockpile Compliant
Art 1(1)(b) Transfer Compliant
Art 1(1)(c) Receive transfer or control Compliant
Art 1(1)(d) Use Compliant
Threaten to use Compliant
Art 1(1)(e) Assist, encourage or induce Compliant
Art 1(1)(f) Seek or receive assistance Compliant
Art 1(1)(g) Allow stationing, installation, deployment Compliant
TPNW voting and participation
Vote on negotiation mandate (A/RES/71/258) Voted yes
Participated in treaty negotiations (% women) Yes (No data)
Vote on adoption of treaty text Did not vote
Last vote on UNGA resolution Voted yes
Fissile material
Fissile material production facilities No
Highly enriched uranium stocks No
Plutonium stocks (military/civilian) No/No
Related treaties and regimes
Party to the NPT Yes
Party to a NWFZ Yes (Pelindaba)
Ratified the CTBT Yes
Party to the PTBT No
Member of the CD No
IAEA CSA in force Yes
IAEA AP in force Yes
Party to the CWC Yes
Party to the BWC No

Latest developments

Comoros ratified the TPNW and the CTBT on the same day, 19 February 2021, demonstrating how the TPNW complements and promotes the CTBT. In a workshop with ICAN in September 2020, parliamentarians and other stakeholders had discussed Comoros' ratification of the TPNW. At the 2020 UN General Assembly's High-Level Plenary Meeting to Commemorate and Promote the International Day for the Total Elimination of Nuclear Weapons, Comoros highlighted that it was one of the first countries to sign the TPNW, 'which marks an important step towards the common goal of a world without nuclear weapons.' See:,


  • Comoros should encourage other states to adhere to the TPNW.
  • Comoros should ensure that all the TPNW obligations are implemented domestically, through legal, administrative, and other necessary measures.
  • Comoros should also adhere to the BWC.
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