Concessional finance—that is, grants and low-interest loans—is more important than ever for the world’s poorest countries. Yet today’s aid architecture is highly complex, fragmented, and offers limited concessionality. In this context, it’s important to find ways to leverage the available resources for the biggest, most effective impact. The International Development Association (IDA) is the world’s largest source of concessional finance for developing countries. About 30% of its outflows are provided in the form of grants, with the balance in very low-interest loans. IDA is a critical part of the World Bank’s vision to create a world free of poverty on a livable planet. IDA’s concessional financing helps countries boost economic growth to create jobs and prosperity, overcome shocks and emergencies, and engage in effective climate action. […]