These Proceedings contain all the papers accepted for the conference ITU Kaleidoscope 2016: "ICTs for a Sustainable World" - Bangkok, Thailand, 14-16 November 2016. The aim of Kaleidoscope conferences is to identify emerging developments in information and communication technologies (ICTs) and, in particular, areas in need of international standards to support the development of successful products and services. The papers at K-2016 presented research into ICT technical developments, innovative ICT applications and policy and regulatory considerations relevant to supporting the achievement of the United Nations Sustainable Development Goals (SDGs). The papers accepted for the conference were reviewed by a panel of over 130 subject matter experts from leading academic and research institutions worldwide.