ITU‐T's Technical Reports and Specifications 961 Standardization activities for smart sustainable cities Executive summary This Technical Report is a deliverable of the ITU‐T Focus Group on Smart Sustainable Cities (FG‐SSC), and is one of two Technical Reports on standardization activities, gap analysis, roadmap and suggestions to ITU study groups for smart sustainable cities (SSC). This Technical Report uses the framework of standards proposed in the “Technical Report on standardization roadmap for smart sustainable cities”, identifies the SSC‐related activities of standardization development organizations (SDOs), consortium and forums, and lists available SSC‐related standards. It also summarizes relevant organizations and their work on SSC. This Technical Report is structured around four main sections. Section one presents the scope of the report. Section five collects standards related to key SSC issues. Section six briefly summarizes SSC related SDOs, and section seven gives the information of other organizations and their work on SSC.