This publication provides an overview of 145 successful innovations in governance and public administration from 50 countries that received the United Nations Public Service Awards, which is the most prestigious international recognition of excellence in public service. The purpose of the series is to disseminate, through descriptive case studies, information about innovative practices by: (i) looking at the problem that led to an innovation; (ii) the solution that was designed and implemented to respond to the specific challenge; (iii) the actors and steps involved in the innovation process, and (iv) lessons learned. Learning more about how public institutions from around the world have solved difficult governance challenges can be a powerful and inspirational tool for those engaged in improving public sector performance.