This document recognizes and celebrates the partnership between the AFD Group and the World Bank Group (WBG), which is a model of international development cooperation. The partnership is now scaling up to tackle the most pressing challenges of our time: climate change, poverty, and inequality. By joining forces and aligning efforts, the two institutions are addressing socioeconomic progress, building stability and security in fragile settings, investing in health and education to strengthen countries' human capital, and taking a strong and resolute stand on the climate crisis. The document summarizes the partnership between AFD Group and the World Bank Group, then highlights examples of successful collaboration at various levels of engagement from global and thematic to country and project levels. It concludes with suggestions to replicate and scale up the partnership's success. The partnership was ahead of its time and now serves as an exemplary model. At a time when the international development community is emphasizing the importance of partnerships to maximize the use of limited official development assistance (ODA) funds and shared global knowledge, the partnership stands out with its successful record of accomplishment for more than a decade.