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In September 2022, the Permanent Mission of Bhutan to the United Nations informed ICAN that the Royal Government of Bhutan ‘is in the process of reviewing and studying all international treaties and conventions that Bhutan has not been able to ratify’, including the TPNW.[1]

TPNW Status

TPNW Article 1(1) prohibitions: Compatibility in 2023
(a) Develop, produce, manufacture, acquire Compatible
Test Compatible
Possess or stockpile Compatible
(b) Transfer Compatible
(c) Receive transfer or control Compatible
(d) Use Compatible
Threaten to use Compatible
(e) Assist, encourage or induce Compatible
(f) Seek or receive assistance Compatible
(g) Allow stationing, installation, deployment Compatible
TPNW voting and participation
UNGA resolution on TPNW (latest vote) Voted yes (2023)
Participated in 2MSP (2023) No
1MSP delegation size (% women) N/A
Adoption of TPNW (7 July 2017) Voted yes
Participated in TPNW negotiations (2017) Yes
Negotiation mandate (A/RES/71/258) Voted yes
Other weapons of mass destruction (WMD) treaties
Party to an NWFZ No
Party to the NPT Yes (Acceded 1985)
Ratified the CTBT No
Party to the BWC Yes (Acceded 1978)
Party to the CWC Yes (Ratified 2005)
IAEA safeguards and fissile material
Safeguards agreement Yes (24 Oct 1989)
TPNW Art 3(2) deadline N/A
Small Quantities Protocol Yes (Original)
Additional Protocol No
Enrichment facilities/reprocessing plants No
HEU stocks No
Plutonium stocks No

Latest developments

Bhutan voted in favour of adopting the TPNW at the UN Diplomatic Conference in 2017 and has consistently voted in favour of the annual UN General Assembly resolutions on the Treaty, including in 2023.

Bhutan maintains policies and practices that are compatible with all of the prohibitions in Article 1 of the TPNW, and can therefore sign and ratify or accede to the Treaty without the need for a change in conduct.


  • Bhutan should urgently adhere to the TPNW.

  • Bhutan should conclude and bring into force an Additional Protocol with the IAEA, and upgrade to a Modified Small Quantities Protocol.

  • Bhutan should also adhere to the Comprehensive Nuclear-Test-Ban Treaty (CTBT).

1) Email to ICAN on 2 September 2022 from the Permanent Mission of Bhutan to the UN in New York.

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