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Japan’s Contribution to Global Nuclear Disarmament and Non-Proliferation

Toward a Policy for Fulfilling the Responsibilities of Japan as the Only Country to Have Suffered From Atomic Bombs


June 17, 2020
The Sasakawa Peace Foundation established the Working Group on New Initiatives for Nuclear Energy and Nuclear Non-Proliferation in 2018 to discuss the role of Japan in the field of the civilian use of nuclear energy and global nuclear disarmament. The working group has published two policy recommendations, “International Management of Plutonium: Aiming for Reduction in Plutonium Stocks and Adoption of New International Norms” (May 2019, click here) and “Proposals to the Japanese Government Concerning Denuclearization of North Korea: With a View to Reduction of Nuclear Threat and Establishment of New Security Framework in Northeast Asia” (February 2020, click here).

Keeping in mind the fact that 2020 marks the 75th anniversary of the bombings on Hiroshima and Nagasaki as well as the 50th anniversary of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT)’s entry into force, the working group produced these policy recommendations to outline the contributions Japan can make toward global nuclear disarmament and non-proliferation (Click here for the full report).

Description

Members of the Working Group Chair: 
Tatsujiro SUZUKI
Vice Director/Professor, Research Center for Nuclear Weapons Abolition at Nagasaki University (RECNA)

Members:
Tomonori IWAMOTO
Secretary General, Institute of Nuclear Materials Management (INMM) Japan Chapter

Masakatsu OTA
Senior Feature Writer, Kyodo News

Mie OBA
Professor, Kanagawa University; Former member, Japan Atomic Energy Commission

Toichi SAKATA
President, Japan Space Forum; Former Ambassador, Japan to Ukraine and the Republic of Moldova

Yutaka SAGAYAMA
Senior Assistant to the President, Japan Atomic Energy Agency

Tsuneo NISHIDA
Honorary Director, The Center for Peace at Hiroshima University; Former U.N. ambassador

Nobuo TANAKA
Chairman, The Sasakawa Peace Foundation

Observer:
Chieko NAGAYAMA
Former high school teacher in Fukushima
Date of Publication April 2020
The content of this report does not indicate the views of the respective nations or specific organizations to which the authors belong.

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Recent Publications

Report: Nuclear Escalation Control in a Taiwan Strait Crisis: Opportunities for Japan-U.S.-Taiwan Cooperation A Tabletop Exercise

Report: Nuclear Escalation Control in a Taiwan Strait Crisis: Opportunities for Japan-U.S.-Taiwan Cooperation A Tabletop Exercise

The rapid modernization of China’s military has raised concerns about the People’s Republic of China’s (PRC, China) ability to threaten Taiwan and the wider Indo-Pacific region. Qualitative and quantitative advancements in the People’s Liberation Army’s (PLA) naval and air forces have made them a growing threat to their U.S. counterparts. Meanwhile, significant investments in nuclear forces are giving Beijing new ways in which to coerce potential adversaries and shape escalation in a conflict.

By Sasakawa Peace Foundation, Strategy and Deterrence Program

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Report: Grey zone games: Lessons from the 2025 AJUS simulation

Each year since 2023, the United States Studies Centre (USSC) has convened a ‘Strategy Simu-lation’ in which senior Australian, Japanese, and US (AJUS) experts engage with a simulated strategic crisis in the Indo-Pacific. Working in national teams, AJUS experts draft policy recommendations for their respective political leaderships (simulated by a control team) in responding to the evolving crisis, negotiating both internally and trilaterally in shaping national policy responses. The Strategy Simulation provides an opportunity to refine and ‘stress test’ AJUS trilateral approaches to regional strategy while tracking how AJUS trilateral strategic dynamics are evolving in response to changes in the Indo-Pacific strategic environment.

By Sasakawa Peace Foundation, Strategy and Deterrence Program

March 3, 2026
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