Progress towards ratification

The countries below have publicly stated that they are in the process of becoming parties to the Treaty on the Prohibition of Nuclear Weapons. The treaty will enter into force once 50 states have ratified or acceded to it.


  • Botswana: “We look forward to becoming a state party to this treaty in the near future, once internal consultations are concluded.” (17 October 2018)
  • Brazil: “[Brazil] is honoured to have been the first country to sign. Our ratification process is under way.” (10 October 2018)
  • Central African Republic: “The internal procedure for ratifying the [TPNW] is in progress.” (12 October 2018)
  • Democratic Republic of the Congo: “The government is currently working on its ratification.” (16 October 2018)
  • Ecuador: “Ecuador, which is advancing its process of ratification, reaffirms its commitment to this important international accord.” (17 October 2018)
  • El Salvador: “On 30 August, El Salvador, through its legislative assembly, approved the ratification of this treaty and, at present, the necessary legal procedures are being completed to deposit our instrument of ratification as soon as possible.” (19 October 2018)
  • Grenada: “The cabinet of ministers has recently approved the signing of the Treaty on the Prohibition of Nuclear Weapons.” (23 September 2017)
  • Guatemala: “On 20 September 2017, Guatemala signed this instrument and is now in the final phases of the legislative process to ratify it.” (11 October 2018)
  • Jamaica: “Jamaica is pleased to have signed the treaty in December of 2017 and, like others, will continue our efforts towards ratification as soon as possible, in order to support its entry into force.” (12 October 2018)
  • Kazakhstan: “Kazakhstan signed the treaty in March this year and we plan to ratify it soon.” (10 October 2018)
  • Laos: “The Lao PDR signed this important treaty in September last year and is now going through internal process for its ratification.” (19 October 2018)
  • Malawi: “Malawi is fully committed to the treaty and is looking forward to ratifying it with an intention to become a state party to the treaty as soon as possible.” (12 October 2018)
  • Nepal: “The national parliamentary process is under way for [the TPNW’s] early ratification.” (22 October 2018)
  • Panama: The draft law for ratification of the treaty was approved by the national assembly on 25 September 2018.
  • Paraguay: “The Paraguayan delegation was one of the first signatories to the Treaty on the Prohibition of Nuclear Weapons, currently under legislative review constitutional procedures prior to its eventual approval and ratification.” (19 October 2018)
  • Philippines: “The Philippines also champions the Treaty on the Prohibition of Nuclear Weapons, or ban treaty – a positive step towards nuclear disarmament – and thus we are working towards its ratification.” (22 October 2018)
  • South Africa: “South Africa’s ratification process is expected to be completed in the very near future.” (10 October 2018)
  • Sudan: “We would like to renew our support for the Treaty on the Prohibition of Nuclear Weapons, which we took part in drafting and voting on, and we look forward to signing and ratifying this treaty very soon.” (22 October 2018)
  • Tanzania: “My government is currently undertaking its internal consultations and procedures in order to sign and ratify the treaty in good time.” (10 October 2018)
  • Trinidad and Tobago: “Trinidad and Tobago were pleased to be among the states that supported this historic treaty and we are working diligently to sign and ratify in short order.” (15 October 2018)


Last updated: 15 November 2018

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  • aiweiwei

    “Let’s act up! Ban nuclear weapons completely and unconditionally.”

    Ai Weiwei Artist and activist

  • sheen

    “If Gandhi and Martin Luther King Jr were alive today, they would be part of ICAN.”

    Martin Sheen Actor and activist

  • bankimoon

    “I salute ICAN for working with such commitment and creativity.”

    Ban Ki-moon Former UN chief

  • yokoono

    “We can do it together. With your help, our voice will be made still stronger. Imagine peace.”

    Yoko Ono Artist

  • jodywilliams

    “Governments say a nuclear weapons ban is unlikely. Don’t believe it. They said the same about a mine ban treaty.”

    Jody Williams Nobel laureate

  • desmondtutu

    “With your support, we can take ICAN its full distance – all the way to zero nuclear weapons.”

    Desmond Tutu Nobel laureate

  • herbiehancock

    “Because I cannot tolerate these appalling weapons, I whole-heartedly support ICAN.”

    Herbie Hancock Jazz musician

  • dalailama

    “I can imagine a world without nuclear weapons, and I support ICAN.”

    Dalai Lama Nobel laureate