Senior Official: Japan “Should Possess Nuclear Weapons” Amid Security Crisis

A senior Japanese government official has ignited a firestorm of controversy by suggesting that Japan “should possess nuclear weapons” to counter the deteriorating security environment in East Asia. The remarks, made on Thursday to reporters at the Prime Minister’s Office, mark a stunning deviation from Tokyo’s post-war pacifist orthodoxy and its longstanding “Three Non-Nuclear Principles.”
Speaking on condition of anonymity, the official—described as a key advisor involved in devising security policy for Prime Minister Sanae Takaichi—argued that the rapid expansion of China’s nuclear arsenal, North Korea’s relentless missile development, and Russia’s aggression in Ukraine have fundamentally altered the strategic calculus. “In the end, we can only rely on ourselves,” the official stated, explicitly questioning whether the United States’ “nuclear umbrella” remains a reliable deterrent in the current geopolitical climate.
The comments sent shockwaves through the political establishment in Tokyo, where the memory of the atomic bombings of Hiroshima and Nagasaki remains a central pillar of national identity. The official was quick to qualify the statement as a “personal view,” acknowledging that there is currently “no active discussion” within the government to pursue an independent deterrent. He conceded that the legal, political, and diplomatic barriers—chief among them Japan’s signature on the Nuclear Non-Proliferation Treaty (NPT)—make such a move “unrealistic” for now.
However, the mere utterance of such a view from within the Kantei (Prime Minister’s Office) underscores the hawkish shift under Prime Minister Takaichi. Since taking office, Takaichi has publicly floated the idea of reviewing the “Three Non-Nuclear Principles”—specifically the ban on “introducing” nuclear weapons into Japanese territory—to potentially allow for nuclear sharing arrangements with the United States. Opposition lawmakers and survivor groups (hibakusha) have condemned these moves as a dangerous erosion of Japan’s commitment to peace.
The official’s remarks reflect a growing, albeit quiet, anxiety among Japanese conservatives that “extended deterrence” is fraying. With the U.S. focused on conflicts in Europe and the Middle East, and with “America First” sentiment resurging in Washington, doubts are deepening about whether an American president would risk San Francisco to save Tokyo.
China immediately seized on the report, with Foreign Ministry officials accusing Japan of “seeking to break free from the post-war international order.” Meanwhile, domestic critics warn that even discussing nuclear armament could trigger a regional arms race and destabilize the U.S.-Japan alliance. Despite the official’s retraction that it was a “personal opinion,” the incident reveals that the ultimate taboo in Japanese politics is no longer unbreakable.