Open Data BCN portal has published the Survey on Municipal Services, a face-to-face quantitative study made on an annual basis, and with a universe of Barcelona residents of 18 years and over. This study collects the perception of citizens about their city and its neighbourhood (degree of satisfaction, problems and demands, evolution, etc.) and their opinion with regards to municipal management.

At the same time, a viewer has been enabled and allows you to interactively consult the historical and detailed evolution of all indicators and variables.