Signature/ratification status of the Treaty on the Prohibition of Nuclear Weapons
The Treaty on the Prohibition of Nuclear Weapons opened for signature at United Nations headquarters in New York on 20 September 2017 and will remain open indefinitely. Once 50 nations have ratified or acceded to it, it will enter into force.
There are currently 80 signatories and 34 states parties.
- Full text of the treaty (adopted 7 July 2017)
- Further information on national positions
- Guide to signing and ratifying the treaty
- Progress towards ratification
| STATE | SIGNED | RATIFIED |
| Afghanistan | - | - |
| Albania | - | - |
| Algeria | 20 September 2017 | - |
| Andorra | - | - |
| Angola | 27 September 2018 | - |
| Antigua & Barbuda |
26 September 2018 | 25 November 2019 |
| Argentina | - | - |
| Armenia | - | - |
| Australia | - | - |
| Austria | 20 September 2017 | 8 May 2018 |
| Azerbaijan | - | - |
| Bahamas | - | - |
| Bahrain | - | - |
| Bangladesh | 20 September 2017 | 26 September 2019 |
| Barbados | - | - |
| Belarus | - | - |
| Belgium | - | - |
| Belize | - | - |
| Benin | 26 September 2018 | - |
| Bhutan | - | - |
| Bolivia | 16 April 2018 | 6 August 2019 |
| Bosnia & Herzegovina | - | - |
| Botswana | 26 September 2019 | - |
| Brazil | 20 September 2017 | - |
| Brunei | 26 September 2018 | - |
| Bulgaria | - | - |
| Burkina Faso | - | - |
| Burundi | - | - |
| Cabo Verde | 20 September 2017 | - |
| Cambodia | 9 January 2019 | - |
| Cameroon | - | - |
| Canada | - | - |
| Central African Republic | 20 September 2017 | - |
| Chad | - | - |
| Chile | 20 September 2017 | - |
| China | - | - |
| Colombia | 3 August 2018 | - |
| Comoros | 20 September 2017 | - |
| Congo | 20 September 2017 | - |
| Cook Islands | - | 4 September 2018 (A) |
| Costa Rica | 20 September 2017 | 5 July 2018 |
| Cote d’Ivoire | 20 September 2017 | - |
| Croatia | - | - |
| Cuba | 20 September 2017 | 30 January 2018 |
| Cyprus | - | - |
| Czech Republic | - | - |
| DRC (Congo) | 20 September 2017 | - |
| Denmark | - | - |
| Djibouti | - | - |
| Dominica | 26 September 2019 | 18 October 2019 |
| Dominican Republic | 7 June 2018 | - |
| Ecuador | 20 September 2017 | 25 September 2019 |
| Egypt | - | - |
| El Salvador | 20 September 2017 | 30 January 2019 |
| Equatorial Guinea | - | - |
| Eritrea | - | - |
| Estonia | - | - |
| Eswatini | - | - |
| Ethiopia | - | - |
| Fiji | 20 September 2017 | - |
| Finland | - | - |
| France | - | - |
| Gabon | - | - |
| Gambia | 20 September 2017 | 26 September 2018 |
| Georgia | - | - |
| Germany | - | - |
| Ghana | 20 September 2017 | - |
| Greece | - | - |
| Grenada | 26 September 2019 | - |
| Guatemala | 20 September 2017 | - |
| Guinea | - | - |
| Guinea-Bissau | 26 September 2018 | - |
| Guyana | 20 September 2017 | 20 September 2017 |
| Haiti | - | - |
| Holy See | 20 September 2017 | 20 September 2017 |
| Honduras | 20 September 2017 | - |
| Hungary | - | - |
| Iceland | - | - |
| India | - | - |
| Indonesia | 20 September 2017 | - |
| Iran | - | - |
| Iraq | - | - |
| Ireland | 20 September 2017 | - |
| Israel | - | - |
| Italy | - | - |
| Jamaica | 8 December 2017 | - |
| Japan | - | - |
| Jordan | - | - |
| Kazakhstan | 2 March 2018 | 29 August 2019 |
| Kenya | - | - |
| Kiribati | 20 September 2017 | 26 September 2019 |
| Kuwait | - | - |
| Kyrgyzstan | - | - |
| Laos | 21 September 2017 | 26 September 2019 |
| Latvia | - | - |
| Lebanon | - | - |
| Lesotho | 26 September 2019 | - |
| Liberia | - | - |
| Libya | 20 September 2017 | - |
| Liechtenstein | 20 September 2017 | - |
| Lithuania | - | - |
| Luxembourg | - | - |
| Madagascar | 20 September 2017 | - |
| Malawi | 20 September 2017 | - |
| Malaysia | 20 September 2017 | - |
| Maldives | 26 September 2019 | 26 September 2019 |
| Mali | - | - |
| Malta | - | - |
| Marshall Islands | - | - |
| Mauritania | - | - |
| Mauritius | - | - |
| Mexico | 20 September 2017 | 16 January 2018 |
| Micronesia (FSM) | - | - |
| Moldova | - | - |
| Monaco | - | - |
| Mongolia | - | - |
| Montenegro | - | - |
| Morocco | - | - |
| Mozambique | - | - |
| Myanmar | 26 September 2018 | - |
| Namibia | 8 December 2017 | - |
| Nauru | 22 November 2019 | - |
| Nepal | 20 September 2017 | - |
| Netherlands | - | - |
| New Zealand | 20 September 2017 | 31 July 2018 |
| Nicaragua | 22 September 2017 | 19 July 2018 |
| Niger | - | - |
| Nigeria | 20 September 2017 | - |
| Norway | - | - |
| North Korea | - | - |
| North Macedonia | - | - |
| Oman | - | - |
| Pakistan | - | - |
| Palau | 20 September 2017 | 3 May 2018 |
| Palestine | 20 September 2017 | 22 March 2018 |
| Panama | 20 September 2017 | 11 April 2019 |
| Papua New Guinea | - | - |
| Paraguay | 20 September 2017 | - |
| Peru | 20 September 2017 | - |
| Philippines | 20 September 2017 | - |
| Poland | - | - |
| Portugal | - | - |
| Qatar | - | - |
| Romania | - | - |
| Russia | - | - |
| Rwanda | - | - |
| St Kitts & Nevis | 26 September 2019 | - |
| St Lucia | 27 September 2018 | 23 January 2019 |
| St Vincent & Grenadines | 8 December 2017 | 31 July 2019 |
| Samoa | 20 September 2017 | 26 September 2018 |
| San Marino | 20 September 2017 | 26 September 2018 |
| Sao Tome & Principe | 20 September 2017 | - |
| Saudi Arabia | - | - |
| Senegal | - | - |
| Serbia | - | - |
| Seychelles | 26 September 2018 | - |
| Sierra Leone | - | - |
| Singapore | - | - |
| Slovakia | - | - |
| Slovenia | - | - |
| Solomon Islands | - | - |
| Somalia | - | - |
| South Africa | 20 September 2017 | 22 February 2019 |
| South Korea | - | - |
| South Sudan | - | - |
| Spain | - | - |
| Sri Lanka | - | - |
| Sudan | - | - |
| Suriname | - | - |
| Sweden | - | - |
| Switzerland | - | - |
| Syria | - | - |
| Tajikistan | - | - |
| Tanzania | 26 September 2019 | - |
| Thailand | 20 September 2017 | 20 September 2017 |
| Timor-Leste | 26 September 2018 | - |
| Togo | 20 September 2017 | - |
| Tonga | - | - |
| Trinidad & Tobago | 26 September 2019 | 26 September 2019 |
| Tunisia | - | - |
| Turkey | - | - |
| Turkmenistan | - | - |
| Tuvalu | 20 September 2017 | - |
| Uganda | - | - |
| Ukraine | - | - |
| United Arab Emirates | - | - |
| United Kingdom | - | - |
| United States | - | - |
| Uruguay | 20 September 2017 | 25 July 2018 |
| Uzbekistan | - | - |
| Vanuatu | 20 September 2017 | 26 September 2018 |
| Venezuela | 20 September 2017 | 27 March 2018 |
| Vietnam | 22 September 2017 | 17 May 2018 |
| Yemen | - | - |
| Zambia | 26 September 2019 | - |
| Zimbabwe | - | - |
| TOTAL | 80 | 34 |
Which countries have nuclear weapons and how many?
What are their effects on health and the environment?
Who supports a global ban on nuclear weapons?
What are the most significant events of the nuclear age?
