1996 Comprehensive Nuclear Test Ban Treaty (not yet in force)—snapshot
Produced in partnership with Clare Regnart
1996 Comprehensive Nuclear Test Ban Treaty (not yet in force)—snapshot

The following Environment guidance note Produced in partnership with Clare Regnart provides comprehensive and up to date legal information covering:

  • 1996 Comprehensive Nuclear Test Ban Treaty (not yet in force)—snapshot
  • Snapshot of the Comprehensive Nuclear Test Ban Treaty
  • Status of the Treaty
  • Annex 2 States
  • States that have yet to ratify the Treaty
  • Purpose of the Treaty
  • History behind the Treaty
  • Key articles
  • In Europe
  • In the UK

Snapshot of the Comprehensive Nuclear Test Ban Treaty

Title Comprehensive Nuclear Test Ban Treat (CTBT)
Parties 183 signed. 162 ratified Signatories
Adopted 10 September 1996
Opened for signature 24 September 1996
Not in force The treaty requires ratification by all Annex 2 countries Status of ratification
Subject The ban of all nuclear explosions

Status of the Treaty

The treaty cannot come into force until it is ratified by the Annex 2 States listed below. These are States that took part in the negotiation of the CTBT from 1994–1996 and that had nuclear power or research reactors at the time.

Annex 2 States

Algeria, Argentina, Australia, Austria, Bangladesh, Belgium, Brazil, Bulgaria, Canada, Chile, China, Colombia, Democratic People's Republic of Korea, Egypt, Finland, France, Germany, Hungary, India, Indonesia, Iran (Islamic Republic of), Israel, Italy, Japan, Mexico, Netherlands, Norway, Pakistan, Peru, Poland, Romania, Republic of Korea, Russian Federation, Slovakia, South Africa, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom of Great Britain and Northern Ireland, United