Middle East Members
| Country | Region | Admission | Previously | |
|---|---|---|---|---|
| 1 | Bahrain | Middle East | 2001 | 1977 → 1984 |
| 2 | Egypt | Middle East | 1975 | |
| 3 | Iraq | Middle East | 1975 | |
| 4 | Jordan | Middle East | 1975 | |
| 5 | Kuwait | Middle East | 2003 | 1975 → 1998 |
| 6 | Lebanon | Middle East | 1975 | |
| 7 | Libya | Middle East | 1977 | |
| 8 | Oman | Middle East | 2004 | |
| 10 | Qatar | Middle East | 2002 | 1977 → 1986 |
| 11 | Saudi Arabia | Middle East | 2002 | |
| 12 | Syrian Arab Republic | Middle East | 1975 | |
| 13 | United Arab Emirates | Middle East | 2013 | 1975 → 1987 |
| 14 | Yemen | Middle East | 1977 |
| Country | Region | Admission | Previously | |
|---|---|---|---|---|
| 9 | Palestine | Middle East | 1999 |
