Status of Signature and Ratification 59 Total States | 54 Total Signed | 50 Total Ratified | 5 Not Signed | 9 Not Ratified Latest State Signatory: Bangladesh 24-Oct-1996 Latest Ratifying State: Colombia 29-Jan-2008 Region State Signature Date Ratification Date Middle East and South Asia India Middle East and South Asia Pakistan (-) Annex 2 States Only (-) CTBT Non-Signatories (-) Middle East and South Asia South-East Asia, Pacific & Far East