Engaging with Evidence: The Evolution of Social Outcomes Partnerships in the UK

Social impact bonds, increasingly referred to as social outcomes partnerships, were pioneered in the UK and are now used in over 35 countries, with nearly 300 such projects launched globally to date. In this Engaging with Evidence session, nearly fifteen years since the launch of the world’s first social impact bond at the Peterborough prison in England, we brought together government, practitioner and evaluator perspectives to take stock of the evolution of the implementation of this partnership model and the emerging evidence.