Participation in the BTWC
Page Update: 2/01/08
 

Status of Participation in the Biological and Toxin Weapons Convention

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As of 1 January 2008 the Biological and Toxin Weapons Convention (BTWC) has 159 States Parties.

Thirty-six states are not yet party to the convention. Fifteen states signed the BTWC before it entered into force on 26 March 1975, but have not yet ratified it. Twenty-one states have neither signed nor acceded to the BTWC.

The Chemical Weapons Convention (CWC) entered into force on 29 April 1997, twenty-two years after the BTWC. Nevertheless, since its entry into force it has managed to attract 24 more ratifications and accessions than the BTWC.

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