International Day against Nuclear Tests

2025 Conference on Facilitating the Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty United Nations, New York;   The 14th Conference on Facilitating Entry into Force of the Comprehensive Nuclear-Test-Ban Treaty (Article XIV Conference) will take place at the United Nations in New York on Friday, 26 September 2025. Conference Material Draft Rules of Procedure (CTBT-Art.XIV/2025/1) English | Arabic | Chinese | French | Russian | Spanish Draft Provisional Agenda (CTBT-Art.XIV/2025/2) English | Arabic | Chinese | French | Russian | Spanish Information for participants: Note by the Secretariat (CTBT-Art.XIV-2025-INF.1) English Information for non-governmental organizations: Note by the Secretariat (CTBT-Art.XIV-2025-INF.2) English

As we observe the International Day against Nuclear Tests , we are also approaching another milestone. In 2026, we will mark 30 years since Comprehensive Nuclear Test-Ban Treaty was opened for signature . Anniversaries invite reflection, not only on what has been achieved but also on the work that lies ahead. Our Treaty has already had a profound impact. Nuclear test explosions have become extremely rare, and the verification regime operates with global reach and trust. We look forward to the day when Treaty enters into force, enabling all elements of the verification regime to be deployed. Achieving this will require the remaining States to take the final step . They have the opportunity to help complete what was started almost three decades ago. Their decision to ratify the Treaty would reinforce a commitment that has already proved its worth and support a system that benefits every region. This International Day is a reminder that the absence of nuclear test explosions is not a ma...