VeronikaRozhenkova et al in Cities: “As part of the UN Sustainable Development Goals, all countries have agreed to “make cities and human settlements inclusive, safe, resilient and sustainable”. We argue that there is a critical need for large-scale comparative city policy data that, when linked with outcome data, could be used to identify where policies are working and where they could be improved. In an assessment of the landscape of existing city policy data, based on a comprehensive scoping review, we find that existing databases are insufficient for the purposes of comparative analysis. We then describe what an “ideal” city policy database would look like, where it could be housed, and how it could be developed. Such a database could be a key tool for achieving SDG 11, the urban Sustainable Development Goal….(More)”.