Categories of membership are stipulated in the following articles of the UCLG Constitution:
MEMBERSHIP
Article 6 Categories of membership
The World Organisation consists of the following categories of members:
a. Local government members;
b. Regional sections;
c. International organisation members;
d. Associate members;
e. Honorary members.
Article 7 Local government members
Local government membership of the World Organisation shall be open to:
a. Individual cities and local governments;
b. National associations of local government.
Article 8 Regional sections
Regional sections of the World Organisation, recognised in accordance with the provisions of this constitution, are members as of right.
Article 9 International organisation members
International organisation membership of the World Organisation shall be open to international local government organisations which represent specific categories of local governments, and/or whose purposes relate to specific sectoral or thematic issues.
Article 10 Associate members
Associate membership of the World Organisation shall be open to organizations which, though not themselves local government organizations, are strongly concerned with or involved in local government matters.
Article 11 Honorary members
Honorary membership may be granted to individuals or institutions who have rendered distinguished service to the association or to the cause of democratic local government. Nominations for Honorary membership shall be made by the Executive Bureau and approved by the World Council.