Three Non-Nuclear Principles of Japan

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The Three Non-Nuclear Principles of Japan are a foundational postwar policy doctrine committing Japan to neither possessing, producing, nor permitting the introduction of nuclear weapons, symbolizing its stance as a non-nuclear state.


Statements (46)

Predicate Object
instanceOf Japanese government doctrine
national security policy
nuclear weapons policy
announcedBy Eisaku Satō
announcedIn House of Representatives of Japan
announcedOn 1967-12-11
appliesTo Japanese government policy
Japanese territory
approvedBy National Diet
surface form: National Diet of Japan
approvedOn 1971-11-24
associatedWith Japanese pacifism
Liberal Democratic Party
surface form: Liberal Democratic Party of Japan
codifiedAs The Diet
surface form: Diet resolution of 1971
component not permitting the introduction of nuclear weapons into Japan
not possessing nuclear weapons
not producing nuclear weapons
country Japan
criticizedFor reliance on U.S. nuclear umbrella
debatedIn Japanese domestic politics
distinctFrom Article 9 of the Constitution of Japan
follows Japan’s accession to the Nuclear Non-Proliferation Treaty
formulatedBy Eisaku Satō
hasEffectOn Japan’s arms control diplomacy
Japan’s defense policy
Japan’s foreign policy
hasStatus core element of Japan’s postwar security policy
political commitment rather than constitutional provision
influencedBy Japanese anti-nuclear public opinion
atomic bombings of Hiroshima and Nagasaki
inForceSince late 1960s
language Japanese
legalNature non-binding political norm
policyType unilateral nuclear restraint
purpose express Japan’s renunciation of nuclear armament
maintain Japan as a non-nuclear-weapon state
region East Asia
relatedConcept non-nuclear-weapon state
nuclear umbrella
relatedTo United States–Japan security alliance
surface form: Japan–United States security arrangements

Nuclear Non-Proliferation Treaty
surface form: Treaty on the Non-Proliferation of Nuclear Weapons
scope territory under Japanese administration
supportedBy Japanese peace movements
many Japanese political parties
symbolizes Japan’s identity as a peace-oriented state
Japan’s stance as a non-nuclear state
timePeriod post–World War II era

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Eisaku Satō formulatedPolicy Three Non-Nuclear Principles of Japan