This document is a handbook for policymakers and practitioners in home and host countries on developing a road map for engaging diasporas in development. It provides an overview of why the handbook was created, how to use it, and the research methodology. The handbook aims to help governments establish clear strategies and partnerships with diaspora communities by sharing information on policies, programs, and institutions from a range of countries that have engaged their diasporas in development. It provides a strategic road map to guide governments in building constructive relationships with diasporas.