The opportunities that digital technologies offer – notably with regards to new ways of conceiving, planning, implementing and evaluating policies – are yet to be fully seized by Public Authorities. Today’s society faces complex challenges such as migration, poverty, and climate change, for which not one optimal solution exists and which are increasing the complexity for European governments. To cope with such challenges, data-driven policy making aims to make use of data sources, analytical techniques and processing power to provide policy makers support in their decisions. At the same time involving citizens and local communities in co-creation activities to support better targeted policies. As part of the European Cloud Initiative, EOSC is progressively widening its user base to include Public Authorities in Europe.