100&Change is a groundbreaking competition sponsored by the MacArthur Foundation, offering a transformative $100 million grant to fund a singular proposal that tackles a critical issue facing the world today. The initiative aims to inspire solutions that are impactful, evidence-based, and inclusive, inviting applications from diverse organizations across various sectors. Participants engage in a rigorous, multi-stage evaluation process over a two-year period, which includes an organizational readiness assessment, peer reviews, and panel evaluations.

Open to any eligible organization—excluding government agencies—100&Change encourages collaboration among multiple entities on a shared application. Finalists receive expert support to refine their proposals, ensuring their solutions are both feasible and sustainable. The competition embodies MacArthur's commitment to diversity, equity, and inclusion, asking applicants to demonstrate their dedication to these principles. By providing unprecedented financial support, 100&Change aims to foster innovative approaches to the world’s most pressing challenges and make meaningful progress toward lasting change.