| Year Joined | Country |
|---|
| 1995 (Under the Shanghai Five organization) | |
| 1995 (Under the Shanghai Five organization) | |
| 1995 (Under the Shanghai Five organization) | |
| 1995 (Under the Shanghai Five organization) | |
| 1995 (Under the Shanghai Five organization) | |
| 2001 | |
| 2005- Observer State | |
| 2005- Observer State (Expressed interest in becoming a full member state; however international sanctions currently bar its full membership) | |
| 2005- Observer State (Expressed Interest in becoming a full member state; Poor relations with India and Russia as well as good relations with the U.S. operatively negate this ambit | |
| 2004- Observer State | |
| 2009- Dialogue Partner | |
| 2009- Dialogue Partner | |
U.S. States 
Countries of Africa 
Countries of Asia
