There are more young people today than ever before, and many countries in the global South have youth populations which make up well over half of the total. Against the backdrop of the #MeToo and #AidToo revelations, sexual abuse and harassment, and targeting and persecution by governments is a reality for many young activists campaigning on feminist issues. Young feminists are challenging international development policymakers and practitioners, national governments, and development donors of all kinds to recognise their right to shape development itself. This collection explores how young women's movements, along with the support they need, can offer a model of political, intersectional work to guide and re-politicise international development.