As originally constituted, the CD had 40 members. It was subsequently expanded several times and now counts 65 Members.
As per the Rules of Procedure, the CD invites on an annual basis other UN Member States that are not presently members of the Conference to take part in its work.
The current membership is as follows:
|Colombia||Republic of Korea|
Republic of Korea
|Democratic Republic of the Congo||Senegal|
|Hungary||Syrian Arab Republic|
|Iran, Islamic Republic of||Ukraine|
|Iraq||United Kingdom of Great Britain and Northern Ireland|
|Ireland||United States of America|
|Israel||Venezuela (Bolivarian Republic of)|
|The CD has invited other UN Member States that have expressed a desire to participate in the CD's substantive discussions, to take part in its work as non-Member State.|