Monitoring the quantities and flows of e-waste is essential for evaluating developments over time, and to set and assess targets towards a sustainable society and circular economy. The development of a recycling infrastructure, sound policies, and legal instruments are more efficiently implemented on the basis of sound e-waste data. Without a global, regional and national picture of e-waste, the true nature of e-waste challenge incl. collection and recycling rates, national and regional countermeasures, but also transboundary movements and, in some cases, illegal shipments will also be incomprehensible. Therefore SCYCLE is (co-)authoring studies, the so-called Monitors, along a widely approved and supported methodology – the E-waste Statistic Guidelines – see http://collections.unu.edu/eserv/UNU:6477/RZ_EWaste_Guidelines_LoRes.pdf