Abstract. eParticipation is still in its early phases of development, in which government organizations undertake many experiments. There is no systematic overview of these experiments, which inhibits learning from each other. Measuring and benchmarking eParticipation provide the opportunity to inspire new developments by sharing best practices. This paper presents the development of a measurement instrument that is subsequently used to investigate eParticipation in frontrunner Dutch municipalities. This instrument combines factors related to the role of citizens, the type of media deployed, and the organization of the municipality. Using these factors to measure eParticipation in seventeen municipalities we found a large focus on traditional media forms usually supporting informative and consultative practices for policy development. This study, however, has been largely limited to measuring the type of ICT that is used to facilitate eParticipation. Therefore, we recommend extending it with measurements that give insight into the actual use, effectiveness, and the inclusion of citizens' input in policy making.