The data generated in our digital society can be harnessed to generate policy-relevant indicators on waste prevention and reuse, and be used to fill in the gaps left by official data and statistics. This project elaborates where the greatest potentials lie for improving the monitoring of waste prevention and reuse, and presents a roadmap for improving the monitoring of waste prevention in the Nordic countries. This is based mapiping the EU reporting demands for waste prevention and reuse and the methods currently employed in the Nordic countries to measure waste prevention and reuse, as well as an investigation of the methods used in other European countries together with a suite of case studies of novel methods for measuring waste prevention and reuse.