Iran officially joined the SCO, and all the participants signed the Samarkand Declaration in the end. Iran’s full membership in the SCO was announced by the President of Uzbekistan, which was applauded by the participants. China, Russia, India, Iran, Uzbekistan, Kazakhstan, Belarus, Turkey, Azerbaijan, Kyrgyzstan, Pakistan, Mongolia, Tajikistan, and Turkmenistan attended the 22nd SCO summit. The SCO currently comprises Nine Member States (China, India, Iran, Kazakhstan, Kyrgyzstan, Russia, Pakistan, Tajikistan, and Uzbekistan).

The 2022 SCO summit was the 22nd annual summit of heads of state of the Shanghai Cooperation Organisation held between 15 and 16 September 2022 in Samarkand, Uzbekistan.