Strengthening International Collaboration in Quantum Technology: The 7th Multilateral Dialogue on Quantum Held in Tokyo/Tsukuba
September 22, 2025
Cabinet Office, Government of Japan
Secretariat for Science, Technology and Innovation
１．Introduction
The Cabinet Office, Government of Japan, in collaboration with relevant ministries and research institutions, hosted the 7th Multilateral Dialogue on Quantum (MDQ). In 2025, designated by the United Nations as the “International Year of Quantum Science and Technology”, Japan has positioned this year as the “First Year of Quantum Industrialization,” and is accelerating global efforts toward the social implementation and industrialization of quantum technology.
This meeting was held to further deepen collaboration with like-minded countries in the quantum field and to promote policy discussions aimed at building a reliable international quantum ecosystem.
２．Overview of the 7th MDQ Meeting
From September 10 to 12, 2025, the Cabinet Office convened the 7th MDQ meeting in Tokyo/Tsukuba, with the Global Research and Development Center for Business by Quantum-AI technology (G-QuAT) of the National Institute of Advanced Industrial Science and Technology serving as the main venue. The meeting brought together quantum policy representatives from 13 countries: Australia, Canada, Denmark, Finland, France, Germany, Japan, Korea, the Netherlands, Sweden, Switzerland, the United Kingdom, and the United States.
This was the first time the MDQ meeting was held in Asia.
３．Key Outcomes
- Demonstrating a Leading Role in Promoting International Collaboration
Japan emphasized the importance of international collaboration and actively contributed to shaping discussions and strengthening cooperation in the quantum technology sector. - Sharing Latest Developments and Deepening Trust Among Participants
Representatives from 13 countries exchanged information on national strategies and policies and other broad issues for industrialization, such as workforce/skills development and standardization, fostering active dialogue and building mutual trust. - Progress in Concrete Frameworks for International Collaboration and Ecosystem Development
The meeting saw tangible progress in strengthening cooperation on infrastructure information, use case development, and workforce/skills development. It was also recognized that the MDQ process has supported broader partnership-building among participating countries over time. - Facilitating Multilateral Dialogue and Building Shared Understanding
Japan’s ongoing efforts to facilitate multilateral dialogue and contribute to building shared understanding among participating countries were reaffirmed.
４．Next Steps
The Cabinet Office will continue to work in close collaboration with relevant ministries and agencies, academia, industry, and like-minded governments to further promote international cooperation in the quantum field and strive to build a global quantum ecosystem.
５．Additional Information
Other major international events in the quantum field were also held during the same week:
Hosted by the Ministry of Foreign Affairs on September 8–9 in Tokyo. Government officials from 13 countries exchanged views on international cooperation and collaboration in quantum technology.
Co-hosted on September 9 by the Quantum STrategic industry Alliance for Revolution (Q-STAR) and G-QuAT in Tokyo. The symposium brought together stakeholders from industry, academia, and government to discuss topics such as social implementation of quantum technology, workforce/skills development, and business opportunities.
６．Contact Information
Cabinet Office, Government of Japan
Secretariat for Science, Technology and Innovation
Quantum and Materials Team
Tel: +81-3-6257-1153