Council on the basis of the following geographical distribution: African states (5), Asian States (4), Eastern European States (4), Latin American and Caribbean States (4), Western European and other States (7). In 2024, the Economic and Social Council decided to progressively increase the number of members in the commission from 24 to 54 until 2028, which aims to enhance representation and inclusivity. Member states are usually represented by their chief statistician.

As set forth by the Economic and Social Council, in the terms of reference,