About the TPNW
About the TPNW

The TPNW was adopted on 7 July 2017 at a diplomatic conference established by the UN General Assembly. A total of 122 states, more than three-fifths of the world’s 197 states, voted in favour of the Treaty’s adoption.
The history of the TPNW

The Core Prohibitions

The Definition of Nuclear Weapons

Safeguards and Verification under the TPNW

National Implementation Obligations

Relationship with other agreements

The Text of the Treaty
TPNW Status
TPNW Status

Two years after the TPNW was opened for signature, the Ban Monitor identifies a total of 135 states, or more than two thirds of the world’s states, as “TPNW supporters”.
Two Year status

Support by Region

Adherence Speed
TPNW Compliance
TPNW Compliance

The Ban Monitor evaluates the degree to which the world’s 197 states – adherents and non-adherents alike – act in accordance with the treaty’s core prohibitions.
TPNW Compliance status

Compliance by prohibition

Compliance by region

Interpretations and Analysis
State Profiles
Nuclear Weapons
Nuclear Weapons

A nuclear weapon is a nuclear explosive device that has been weaponised, meaning that it is contained in and delivered by, for example, a missile, rocket, or bomb.
Nuclear arsenals

Extended nuclear deterrence

Host states

War Games and Missile Tests

Policies on Use

Our Donors

The Government of Austria

Austria5

The Government of Ireland

Department of foreign affairs and trade

The Government of New Zealand

New Zealand

The Government of Norway