Current Treaty Status
| Member States | 186 |
|---|---|
| Total Ratifications | 174 |
| Annex 2 Ratifications | 36 |
| Latest State Signatory | Dominica |
| Latest Ratifying State | Timor-Leste |
Recent News
15 Aug 2022
CTBTO Head hails Treaty "A Success Story" at NPT Review Conference
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01 Aug 2022
Timor-Leste ratifies CTBT, unversalising Treaty in South-East Asia
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01 Jul 2022
Dominica ratifies CTBT, universalising Treaty in Latin America and Caribbean
Read more27 Jun 2022
CTBTO head calls on N. Korea to renew commitment to suspend nuclear testing
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23 Jun 2022
Hiroshima, Nagasaki Mayors say CTBT is Indispensable
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23 Jun 2022
Spain signs Tsunami Warning Agreement with CTBTO
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21 Jun 2022
First-of-kind exercise prepares CTBTO managers for on-site inspection
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27 May 2022
CTBTO joins Austria’s Long Night of Research
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18 May 2022
A Day for Girls and STEM – Vienna’s Daughters Day
Read more31 Mar 2022
Tuvalu ratifies the Comprehensive Nuclear-Test-Ban Treaty
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31 Mar 2022
Tuvalu ratifies the Comprehensive Nuclear-Test-Ban Treaty
Read more24 Mar 2022
The Gambia ratifies the Comprehensive Nuclear-Test-Ban Treaty
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