Ukraine

Nuclear-weapon-free state

Has not yet joined the TPNW

SIGNED

RATIFIED

IN FORCE

Status

Ukraine has not yet signed or ratified the Treaty on the Prohibition of Nuclear Weapons (TPNW).

National position

Since 2023, Ukraine has voted against an annual UN General Assembly resolution that welcomes the adoption of the TPNW and calls upon all states to sign, ratify, or accede to it “at the earliest possible date”. Between 2018 and 2022, it abstained from voting on the resolution.

TPNW negotiations

Ukraine did not participate in the negotiation of the TPNW at the United Nations in New York in 2017 and thus did not vote on its adoption. On the opening day of the negotiating conference, it joined the United States and several other states in protesting the treaty-making process.

In 2016, Ukraine was absent for the vote on the UN General Assembly resolution that established the formal mandate for states to commence negotiations on “a legally binding instrument to prohibit nuclear weapons, leading towards their total elimination”.

Nuclear weapons formerly in Ukraine

Upon the break-up of the Soviet Union in 1991, Ukraine inherited several thousand Soviet nuclear warheads, which it subsequently transferred to Russia.

Further information

Nuclear Weapons Ban Monitor

Ukraine

Nuclear-weapon-free state

Has not yet joined the TPNW

Status

National position

TPNW negotiations

Nuclear weapons formerly in Ukraine

Further information

Local Partner Organizations

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