International Day against Nuclear Tests

The 12th Ministerial Meeting of the Friends of Comprehensive Nuclear-Test-Ban Treaty (CTBT) celebrates the 30th anniversary of the opening for signature of the Treaty through the theme, "The CTBT at 30: Reflecting on Progress, Shaping the Future". The CTBT Friends are Australia, Canada, Finland, Germany, Japan and the Netherlands. The Meeting will be co-chaired by Australia and Japan, and moderated by the Foreign Minister of Australia, Senator the Hon Penny Wong. Watch the twelfth Ministerial Meeting of the Friends of the Comprehensive Nuclear-Test-Ban Treaty (CTBT)! 00:52:06 Meetings & Events

UNON, in collaboration with the Embassy of Kazakhstan in Kenya, marks the International Day against Nuclear Tests with senior UN officials, diplomats and survivors reflecting on the humanitarian, health and environmental consequences of nuclear weapons use and testing. The United Nations Office at Nairobi, in collaboration with the Embassy of the Republic of Kazakhstan in Kenya, commemorates the International Day against Nuclear Tests under the theme "Humanitarian and Ecological Consequences of Nuclear Weapons Use and Testing." The event marks the 35th anniversary of the closure of the Semipalatinsk Nuclear Test Site, the 81st anniversary of the atomic bombings of Hiroshima and Nagasaki, and the 20th anniversary of the Treaty on a Nuclear-Weapon-Free Zone in Central Asia. The programme brings together senior United Nations officials, representatives of Kazakhstan, Japan and the Government of Kenya, as well as testimonies on the human health and environmental impacts of the at...

   General and complete disarmament - Item 99: High-level meeting to commemorate and promote the International Day against Nuclear Tests. Integrated and coordinated implementation of and follow-up to the outcomes of the major United Nations conferences and summits in the economic, social and related fields - Item 13: draft resolution (A/80/L.105)Action on the draft resolution - Integrated and coordinated implementation of and follow-up to the outcomes of the major United Nations conferences and summits in the economic, social and related fields - Item 13; Oceans and the law of the sea - Item 75: draft decision (A/80/L.109)Action on the draft decision - Culture of peace - Item 14: draft resolution (A/80/L.108)Action on the draft resolution - Sustainable development - Item 18: draft resolution (A/80/L.106)Action on the draft resolution - Question of Palestine - Item 35 (A/80/777) - Organization of work, adoption of the agenda and allocation of items - Item 7; Rights of Indigenou...

General and complete disarmament - Item 99: High-level meeting to commemorate and promote the International Day against Nuclear Tests. Held pursuant to General Assembly resolution A/RES/72/51 of 4 December 2017 Delegations wishing to inscribe on the list of speakers are requested to do so through the e-deleGATE portal. The time limit for statements in the plenary segment will be 3 minutes for individual delegations speaking in their national capacity and 5 minutes for statements made on behalf of a group of States. Time limits will be strictly enforced by means of automatic microphone cut-off. Letters from the President of the General Assembly, dated 16 July 2026, 24 July 2026 and 24 August 2026, were sent to all permanent representatives and permanent observers. For the full programme of work of the plenary, please click on the "Online schedule" of meetings link below. Watch the General Assembly: 108th Plenary meeting, 80th session! 02:48:02 General Assembly

Plenary. The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional disarmament and non-proliferation, including the implementation of the 1995 resolution on the Middle East; measures to address withdrawal from the Treaty; and ways to strengthen the review process to improve its effectiveness, efficiency, transparency, accountability, coordination and continuity. In doing so, the Conference will also tak...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Plenary The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional dis...

   At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional disarmament and non-proliferation, including the implementation of the 1995 resolution on the Middle East; measures to address withdrawal from the Treaty; and ways to strengthen the review process to improve its effectiveness, efficiency, transparency, accountability, coordination and continuity. In...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional disarmament ...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Plenary The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional dis...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Plenary The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional dis...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Main Committee III The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; r...

   At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; regional disar...

   At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Main Committee III The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and secur...

  At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Main Committee I The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; reg...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Main Committee II The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; re...

As a nuclear-weapon State Party to the Treaty on the Nonproliferation of Nuclear Weapons (NPT), the United States is committed to providing the fullest possible exchange of peaceful nuclear technology to NPT non-nuclear-weapon States. Participants: Ambassador Mike Waltz, Representative of the United States to the United Nations, Brandon Williams Administrator of the U.S. National Nuclear Security Administration. Ambassador Do Hung Viet, Permanent Representative of Vietnam to the United Nations. With representatives from the U.S. Department of Energy, U.S. National Nuclear Security Administration, U.S. Department of State, and Sandia National Laboratories. Watch the Golden Age of American Nuclear Energy (NPT Side Event)! Side Events

   At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. 11th Plenary meeting (after 5pm approximately) The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Main Committee III The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; r...

At the 2026 NPT Review Conference (27 April - 22 May), States parties will examine the implementation of the Treaty's provisions since 2022, noting that, despite intensive consultations, the 2015 Review Conference and the 2022 Review Conference were not able to reach agreement on the substantive part of the draft Final Document. Main Committee II The Eleventh Review Conference of the Parties to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) will be held at United Nations Headquarters in New York, from 27 April to 22 May 2026. The President-designate of the Eleventh Review Conference is Ambassador Do Hung Viet of Viet Nam. The 2026 NPT Review Conference is expected to consider a range of issues, including the universality of the Treaty; nuclear disarmament, including specific practical measures; nuclear non-proliferation, including the promotion and strengthening of safeguards; measures to advance the peaceful uses of nuclear energy, including safety and security; re...

Recommendations and tools for the universalization and implementation of the International Convention for the Suppression of Acts of Nuclear Terrorism ( ICSANT ). This event will present the study's key findings and serve as a platform for dialogue among States and international partners on advancing universal adherence and effective implementation of ICSANT . It will showcase global and regional adherence trends, discuss identified challenges, and introduce practical implementation tools. By fostering exchange and cooperation, the event aims to reinforce international commitment to countering the terrorist use of nuclear and other radioactive material and to s trengthening the broader nuclear security and non-proliferation regime . Related Sites and Documents:  Concept note . Watch advancing the fight against nuclear terrorism (2026 NPT Review Conference Side Event)! Side Events