As originally constituted, the Conference on Disarmament had 40 members. It was subsequently expanded several times and now counts 65 members. The current membership is as follows:
| Algeria | Kenya |
| Argentina | Malaysia |
| Australia | Mexico |
| Austria | Mongolia |
| Bangladesh | Morocco |
| Belarus | Myanmar |
| Belgium | Netherlands |
| Brazil | New Zealand |
| Bulgaria | Nigeria |
| Cameroon | Norway |
| Canada | Pakistan |
| Chile | Peru |
| China | Poland |
| Colombia | Republic of Korea |
| Cuba | Romania |
| Democratic People's Republic of Korea | Russian Federation |
| Democratic Republic of the Congo | Senegal |
| Ecuador | Slovakia |
| Egypt | South Africa |
| Ethiopia | Spain |
| Finland | Sri Lanka |
| France | Sweden |
| Germany | Switzerland |
| Hungary | Syrian Arab Republic |
| India | Tunisia |
| Indonesia | Türkiye |
| Iran, Islamic Republic of | Ukraine |
| Iraq | United Kingdom of Great Britain and Northern Ireland |
| Ireland | United States of America |
| Israel | Venezuela (Bolivarian Republic of) |
| Italy | Viet Nam |
| Japan | Zimbabwe |
| Kazakhstan |
Regional Groups
The Member States of the Conference on Disarmament are organised into a number of informal regional groups to facilitate their preparation for, and representation in the plenary meetings of the Conference:
Eastern European Group
- Belarus
- Bulgaria
- Kazakhstan
- Romania
- Russian Federation
- Ukraine
Group of 21
- Algeria
- Bangladesh
- Brazil
- Cameroon
- Chile
- Colombia
- Cuba
- Democratic People’s Republic of Korea
- Democratic Republic of the Congo
- Ecuador
- Egypt
- Ethiopia
- India
- Indonesia
- Iran (Islamic Republic of)
- Iraq
- Kenya
- Malaysia
- Mexico
- Mongolia
- Morocco
- Myanmar
- Nigeria
- Pakistan
- Peru
- Senegal
- South Africa
- Sri Lanka
- Syrian Arab Republic
- Tunisia
- Venezuela
- Viet Nam
- Zimbabwe
Group of One
- China
Western European and Others Group
- Argentina
- Australia
- Austria
- Belgium
- Canada
- Finland
- France
- Germany
- Hungary
- Ireland
- Israel
- Italy
- Japan
- Netherlands
- New Zealand
- Norway
- Poland
- Republic of Korea
- Slovakia
- Spain
- Sweden
- Switzerland
- Türkyie
- United Kingdom of Great Britain and Northern Ireland
- United States of America
Requests for membership
Since 1982, requests for membership of the Conference have been received from the below 28 non-member States:
Requests for membership
- Greece (1984)
- Croatia (1992)
- Kuwait (1992)
- Portugal (1993)
- Slovenia (1993)
- Czechia (1993)
- Denmark (1994)
- North Macedonia (1996)
- Cyprus (1996)
- Lithuania (1996)
- Ghana (1997)
- Luxembourg (1997)
- Uruguay (1997)
- Philippines (1997)
- Azerbaijan (1998)
- Libya (1998)
- Armenia (1998)
- Thailand (1998)
- Georgia (1998)
- Jordan (1999)
- Costa Rica (2001)
- Estonia (2001)
- Latvia (2004)
- Malta (2005)
- Serbia (2009)
- Qatar (2012)
- Republic of Moldova (2015)
- Saudi Arabia (2021)
Non-member (observer) States
As per the Rules of Procedure, the CD invites on an annual basis 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. The list of non-member States for the current CD session can be found here.
Further resources
- Please consult the CD 2026 Meetings Place website for information pertaining to the 2025 session of the Conference.
- Please consult the CD Meetings Place website for information on CD Sessions between 2004 and 2025.
- Documents and records of CD sessions prior to 2004 can be found in the United Nations Digital Library.