This study analyzes how Rwanda foughtadministrative corruption in the public sector over the lasttwo decades. The focus on administrative corruption in thepublic sector is dictated by the difficulty of assessing,observing, and measuring corruption relating to statecapture and by emphasis that Rwandan officials have placedon reducing corruption in the everyday workings of thepublic sector. It may touch on some dimensions of governancesuch as voice and accountability or the rule of law, it onlyanalyses them through their relationship to corruption. Thestudy is based primarily on face-to-face interviewsconducted in December 2019 with key individuals in and closeobservers to the fight against corruption. This studyincreases awareness of Rwanda’s anticorruption experience,given its importance in Rwanda’s own development and itsrelevance to international anticorruption efforts. The studyis organized as follows: the first section describes theevolution of corruption in Rwanda to provide context foranticorruption efforts. The second section discusses thoseefforts, with a focus on transforming norms and standards,on prevention, and on sanctions. The third section presentsthe main factors of success. The fourth section identifiesthe lessons that can be drawn from Rwanda. The fifth sectionreflects on the remaining challenges in the country’santicorruption journey.