The case studies presented in this companion volume complement the Development Co-operation Report 2018: Joining forces to leave no one behind. They are a source of knowledge and lessons on the multiple, broad and varied, mainstreamed, targeted and co-ordinated ways that poor, vulnerable and marginalised people can be included in and benefit from sustainable development. The case studies, which were contributed by official development co-operation ministries and agencies, international organisations, developing country governments, civil society organisations, business, and research bodies reflect diverse actions, investments and approaches to answering the pledge of the 2030 Agenda for Sustainable Development to leave no one behind.

The Development Co-operation Report team at the OECD Development Co-operation Directorate (DCD) collected, prepared and edited these case studies in close collaboration with all contributors under the overall direction of Jorge Moreira da Silva, Director of the OECD DCD. Rebecca Castaldo consulted with contributors, identified innovative case studies and managed the collection process. Valentina Sanna co-ordinated the production, editing and finalisation of the case studies in collaboration with Ida Mc Donnell, Team Lead and Managing Editor of the Development Co-operation Report and the case studies. Rahul Malhotra, Head of the Reviews, Results, Evaluation and Development Innovation Division, DCD provided strategic guidance and oversight.

The case studies were copy-edited by Scriptoria (

Stacey Bradbury, Claudio Cerabino, Christelle Comair, Stephanie Coic and Katia Grosheva provided support for communications, outreach, publishing and administration.

We extend our sincere gratitude to every organisation and individual that contributed a case study on leaving no one behind.

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