Japan Japan

Japan

Nuclear-weapon-complicit states

Japan boycotted the TPNW negotiations and has not adhered to the Treaty. It is a nuclear-weapon-complicit state and not in compliance with all of the prohibitions in Article 1. Japan may sign and ratify the TPNW, but will have to make changes to its policies and practices to become compliant.

Latest developments and background

In 2017, the Japanese government stated that the “ban treaty concept has been unable to obtain understanding and involvement of nuclear-weapon states”, and that it would therefore “be difficult for Japan to participate” (bit.ly/2kKsSAW). In October 2018, the Foreign Minister of Japan, Taro Kono, asserted: “As for the promotion of the Treaty on the Prohibition of Nuclear Weapons, Japan has still not decided anything. However, Japan is not thinking of signing the TPNW, so our response will be based on that (bit.ly/35hYv74)”. Hiroshima, Nagasaki and many more Japanese cities have signed ICAN’s Cities Appeal.

Recommendations

  • Japan should ensure that nuclear weapons do not have a role in its national defence plans and security policies. It should renounce the retention and potential use of nuclear weapons on its behalf, for instance through a declaratory statement, and refrain from endorsing future alliance statements in support of weapons of mass destruction.
  • Japan should urgently sign and ratify the TPNW, and encourage other states to adhere to the Treaty. Until it is in a position to do so, it should – in line with its obligations under the NPT – welcome the TPNW as a valuable contribution towards the common aspiration of a world without nuclear weapons, attend its meetings of states parties as an observer, and work with its states parties on practical steps towards disarmament.
Signed
No
Adhered
No
Compliance with article 1(1) of the TPNW
Art 1(1)(a) The prohibition on developing, producing, manufacturing, or otherwise acquiring Compliant
The prohibition on testing Compliant
The prohibition on possessing or stockpiling Compliant
Art 1(1)(b) The prohibition on transferring Compliant
Art 1(1)(c) The prohibition on receiving transfer or control Compliant
Art 1(1)(d) The prohibition on using Compliant
The prohibition on threatening to use Compliant
Art 1(1)(e) The prohibition on assisting prohibited activities Compliant
The prohibition on encouraging or inducing prohibited activities Not compliant
Art 1(1)(f) The prohibition on encouraging or inducing prohibited activities Compliant
Art 1(1)(g) The prohibition on allowing stationing, installation, or deployment Compliant
TPNW process
Vote on mandate resolution (A/RES/71/258) Voted no
Participated in treaty negotiations (% women) No (N/A)
Vote on adoption of treaty text N/A
Vote on UNGA resolution 2018 Voted no
Fissile material
Highly enriched uranium stocks <10 t (~350 weapon equivalents)
Civilian plutonium stocks
Fissile material production Yes (LEU and Pu)
Related treaties and mechanisms
Party to the NPT Yes
Party to a NWFZ No
Ratified the CTBT Yes (Annex 2 state)
Party to the PTBT Yes
Member of the CD Yes
IAEA CSA in force Yes
IAEA AP in force Yes
Party to the CWC Yes
Party to the BWC Yes