The ability of citizens to demand accountability and more open government is fundamental to good governance. There is growing recognition of the need for new approaches to the ways in which donors support accountability, but no broad agreement on what changed practice looks like. This publication aims to provide more clarity on the emerging practice. Based on four country studies Mali, Mozambique, Peru and Uganda, a survey of donor innovations and cutting-edge analysis in this field, and the findings of a series of special high-level international dialogues on how to best support accountability support to parliaments, political parties, elections and the media. The publication takes the view that a wholesale shift in behaviour is required by parts of the development assistance community - moving outside conventional comfort zones and changing reflexes towards new approaches to risk taking, analysis and programming around systems of accountability and 'do no harm' efforts in political engagement. This piece is aimed at a range of development practitioners, as well as a wider audience, including civil society actors and citizens around the world who interact with donors working on accountability support.