Protesters maintain a rally opposing Prime Minister Sanae Takaichi’s criticism of Japan’s conventional non-nuclear coverage in entrance of the Japanese parliament in Tokyo, Japan, November 21, 2025. /VCG
Editor’s be aware: Xiang Haoyu is a specifically appointed analysis fellow on the Department for Asia-Pacific Studies, China Institute of International Studies. The article displays the creator’s opinions and never essentially the views of CGTN.
August 6 and 9 mark the 81st anniversaries of the atomic bombings of Hiroshima and Nagasaki. Domestic debate over nuclear coverage is intensifying throughout Japan. Polls present 76% of Japanese respondents nonetheless again the post-war Three Non-Nuclear Principles. Local assemblies and atomic-bomb survivor teams have warned the federal government to not cross the non-nuclear crimson line. Meanwhile, Defense Minister Shinjiro Koizumi has publicly argued Japan ought to “debate nuclear-related policies without taboos.” The Sanae Takaichi administration seeks to revise the Three Non-Nuclear Principles and repeatedly assessments limits on delicate points equivalent to nuclear-powered submarines and nuclear sharing.
This rift over nuclear coverage exposes the core inside contradiction of Japan’s post-war safety technique: a rustic leveraging its ethical standing as a nuclear-bomb sufferer is drifting dangerously towards nuclear armament.
The inherent paradox
The trauma of Hiroshima and Nagasaki made anti-nuclear sentiment considered one of post-war Japan’s most unifying collective reminiscences and ethical benchmarks. Mainstream public rejection of nuclear weapons stems not solely from reflections on wartime horror, but in addition underpins Japan’s identification as a self-proclaimed “peace state.” Yet senior Japanese politicians are more and more out of step with public opinion on nuclear coverage.
Koizumi’s name for open, unrestricted nuclear-policy debate was no offhand comment. It represents a calculated coverage probe by Japan’s right-wing political forces. Since taking workplace final October, Sanae Takaichi has given evasive solutions in parliamentary questioning on the Three Non-Nuclear Principles. Prime ministerial aides and senior ruling-party figures have repeatedly raised the problem of nuclear armament. Japanese elites deploy a well-recognized playbook: floating trial balloons, dismantling rhetorical taboos and driving substantive coverage change to interrupt post-war nuclear constraints.
This hole between political elites and public opinion lays naked Japan’s distorted political panorama. Grassroots anti-nuclear pacifism has by no means change into a binding rule for Japan’s conservative governments. The “nuclear-victim state” label is basically a diplomatic software: it secures the ethical excessive floor internationally whereas whitewashing historic guilt. Framing its neighborhood safety setting as deteriorating, Japanese elites view shedding post-war shackles and pursuing unbiased protection – even nuclear deterrence – as a shortcut to shake off the post-war order and change into a so-called “normal major power.” Japan’s post-war pacifism faces grave peril.
The Three Non-Nuclear Principles danger being hollowed out
To grasp Japan’s nuclear ambitions, one should look at the historical past and contradictions of the Three Non-Nuclear Principles. In 1967, Prime Minister Eisaku Sato laid down the ideas: to not possess, produce or introduce nuclear weapons. The coverage itself emerged from political compromise: the Japanese authorities balanced sturdy home anti-nuclear strain towards its strategic precedence of reinforcing the Japan-US safety treaty.
From its inception, nevertheless, the framework was deeply hypocritical. Declassified post-war recordsdata affirm that shortly after the ideas had been introduced, Tokyo and Washington struck a secret deal. Japan tacitly allowed US nuclear-armed warships and plane to dock and transit Japanese territory. While publicly promising no nuclear imports to its residents, Japan quietly opened its doorways to US nuclear deployments.
On the worldwide stage, Japan invokes its standing as “the only country hit by atomic bombs” to demand full nuclear disarmament. In observe, its safety technique depends closely on US prolonged nuclear deterrence. This inconsistency creates blatant diplomatic double requirements. In current years, politicians have floated a NATO-style nuclear-sharing mannequin. Both the “no introduction” and “no possession” clauses danger being hollowed out. By hitching itself to US nuclear capabilities, senior officers search an end-run round post-war nuclear taboos and switch Japan right into a de facto nuclear-capable state.
The shock of Japan’s ‘Nuclear Unshackling’
The Takaichi authorities’s nuclear-policy strikes this yr sign Japan’s shift from covert nuclear posturing to open nuclear loosening. Ambiguity round non-nuclear commitments in revised national-security paperwork, paired with right-wing pushes for nuclear-powered submarines and nuclear sharing, present Tokyo eroding post-war safety guardrails via a basic salami-slicing technique. Loosening the Three Non-Nuclear Principles to spice up nuclear deterrence – and finally pursue nuclear weapons – would unleash three catastrophic penalties for regional and world safety.
First, it would destabilize the Northeast Asian safety order. Concrete steps towards nuclear sharing or nuclear armament would upend decades-long navy balances in Northeast Asia. Far from enhancing Japan’s safety, such strikes will gas great-power strategic suspicion and drag the area towards a brand new Cold War.
Second, it would spark a damaging arms race. Japan holds massive civilian plutonium stockpiles and instructions superior nuclear and rocket-launch applied sciences. The worldwide neighborhood classifies it as a threshold nuclear state able to constructing nuclear weapons on brief discover. Any home nuclear-policy rest will set off regional ripple results, prompting neighbors to strengthen their very own nuclear deterrence and ignite a full-blown nuclear arms race.
Third, it would undermine the worldwide nuclear non-proliferation regime. As a non-nuclear-weapon state celebration to the Treaty on the Non-Proliferation of Nuclear Weapons (NPT), any Japanese transfer to import, share or develop nuclear weapons would represent a flagrant breach of the treaty. Such motion would cripple the authority and effectiveness of the non-proliferation system and set off cascading proliferation dangers worldwide.
Japan’s legacy as a nuclear-bomb sufferer must be a robust driver for world nuclear disarmament. Instead, nuclear ambitions twist this painful historical past right into a fig leaf for navy growth. Japan’s true safety can’t relaxation on blind religion in nuclear deterrence. It should come from a honest reckoning with historical past and trust-building, peace diplomacy with its neighbors. Should Japan preserve taking harmful nuclear gambles, it would lose worldwide belief and lock itself into an inescapable safety dilemma.
Source: CGTN