Book excerpt: For many OECD countries, how to ensure the safe and dignified return to their origin countries of migrants who do not have grounds to remain is a key question. Sustainable Reintegration of Returning Migrants: A Better Homecoming reports the results of a multi-country peer review project carried out by the OECD, with support from the German Corporation for International Cooperation (GIZ) on behalf of the Federal Ministry for Economic Cooperation and Development (BMZ).