This policy brief aims to offer an overview of the current state of scientific knowledge on the root causes of migration; review the opportunities and limitations of migration estimates and forecasts regarding future trends; and provide evidence-informed policy recommendations. This brief is based on research conducted in the framework of the Horizon 2020 Project QuantMig: Quantifying Migration Scenarios for Better Policy (
www.quantmig.eu), and responds to a research interest of the Commission on the Root Causes of Displacement of the German Government.