Status of Signature and Ratification

Total States44Latest State Signatory
Total Signed41Bangladesh
Total Ratified3624-OCT-1996
Latest Ratifying State
Not Signed3Indonesia
Not Ratified806-FEB-2012

Status of signature and ratification

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States, whose signature and ratification are required for the Treaty to enter into force

All States, which are current members of the Preparatory Commission for the CTBTO

All States which have signed and ratified the Comprehensive Nuclear-Test-Ban Treaty (CTBT)

All States which have neither signed nor ratified the Comprehensive Nuclear-Test-Ban Treaty (CTBT)

By Region

* Signature and Ratification required for Treaty to enter into force

StatesSignatureRatification
Algeria*15-OCT-199611-JUL-2003
Argentina*24-SEP-199604-DEC-1998
Australia*24-SEP-199609-JUL-1998
Austria*24-SEP-199613-MAR-1998
Bangladesh*24-OCT-199608-MAR-2000
Belgium*24-SEP-199629-JUN-1999
Brazil*24-SEP-199624-JUL-1998
Bulgaria*24-SEP-199629-SEP-1999
Canada*24-SEP-199618-DEC-1998
Chile*24-SEP-199612-JUL-2000
China*24-SEP-1996 
Colombia*24-SEP-199629-JAN-2008
Democratic People`s Republic of Korea*  
Democratic Republic of the Congo*04-OCT-199628-SEP-2004
Egypt*14-OCT-1996 
Finland*24-SEP-199615-JAN-1999
France*24-SEP-199606-APR-1998
Germany*24-SEP-199620-AUG-1998
Hungary*25-SEP-199613-JUL-1999
India*  
Indonesia*24-SEP-199606-FEB-2012
Iran (Islamic Republic of)*24-SEP-1996 
Israel*25-SEP-1996 
Italy*24-SEP-199601-FEB-1999
Japan*24-SEP-199608-JUL-1997
Mexico*24-SEP-199605-OCT-1999
Netherlands*24-SEP-199623-MAR-1999
Norway*24-SEP-199615-JUL-1999
Pakistan*  
Peru*25-SEP-199612-NOV-1997
Poland*24-SEP-199625-MAY-1999
Republic of Korea*24-SEP-199624-SEP-1999
Romania*24-SEP-199605-OCT-1999
Russian Federation*24-SEP-199630-JUN-2000
Slovakia*30-SEP-199603-MAR-1998
South Africa*24-SEP-199630-MAR-1999
Spain*24-SEP-199631-JUL-1998
Sweden*24-SEP-199602-DEC-1998
Switzerland*24-SEP-199601-OCT-1999
Turkey*24-SEP-199616-FEB-2000
Ukraine*27-SEP-199623-FEB-2001
United Kingdom of Great Britain and Northern Ireland*24-SEP-199606-APR-1998
United States of America*24-SEP-1996 
Viet Nam*24-SEP-199610-MAR-2006