Since its entry into force in 1997, 183 states had signed and ratified to the Convention.

An additional 5 countries (Signatory States) have signed the CWC, but have not yet deposited their instrument of ratification.

There are 7 countries currently who have neither signed nor acceded to the CWC.

Note: As at 3 Jan 08.


For the full list of States Parties, please click here.