With growing demand for transparency, accountability and citizen participation inpolicy making and service provision, engagement between citizens and their governments,as well as with donors and the private sector that deliver governmentservices, is increasingly important. Increased use of technology brings both opportunitiesand challenges to citizen engagement processes, including opportunitiesfor collecting, analyzing and evaluating data about these processes. This guide providespractical steps to assess the extent to which digital tools have contributed tocitizen engagement and the help to understand the impact that the introduction oftechnology has had on the engagement processes. With examples and lessons from case studies from Brazil, Uganda, Cameroon andKenya, the guide provides practical tools and guidelines for use in evaluating theexpanding field of digital citizen engagement.