This report was prepared by the ITU experts Andrew J. Haire, Janet Hernandez, Javier Huerta Bravo, John Alden, Kari Ballot-Lena, Dr Martin Waldburger, Michèle Ledger, Dr René C.G. Arnold and Dr Viktor Mayer-Schonberger, and the ITU Staff Nancy Sundberg and Youlia Lozanova, under the direction of the ITU Regulatory and Market Environment Division. Chelsea Mori Clark, Elisa Bizarria and Phillippa Biggs provided valuable contributions and insights. David Wye edited the report.We would especially like to thank the moderators of the ITU Global Symposium for Regulators (GSR14) held in Manama, Bahrain in June 2014, for their support and appreciation on the content of the various chapters expressed during the event.These contributions, together with the support from ICT ministries and regulators, and others who have provided data and background material, are gratefully acknowledged. Without their support, a report of this nature would be impossible.ii Trends in Telecommunication Reform 2015