This newly published document from the Organisation for Economic Co-operation and Development draws on data collected from nearly 300 case studies from 1986 to October 2019. Its 200 pages cover randomly selected Citizens’ Assemblies, Juries, Panels and ‘other representative deliberative processes …. This research and proposals for action fit within the organisation’s work on innovative citizen participation, which seeks to guide countries on the implementation … of the 2017 Recommendation on Open Government.’