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Are You Ready to Solve a Problem?

We’re ready to fund a single proposal that promises real and measurable progress in solving a critical problem of our time.
Competition 2024

How to Participate

100&Change takes place over a two-year period and includes several stages of evaluation and review.
May – August 2024


Before you register, discover how well-suited your organization and proposal are for 100&Change. Our organizational readiness tool describes the characteristics of the most competitive organizations and proposals.

August 15, 2024


After assessing your fit through the Organizational Readiness Tool, you must register your organization by Thursday, August 15, 2024 at 5:00 PM U.S. Central Time. Any organization or legal entity, except for government agencies, can apply. Multiple organizations may collaborate on a single application.

September 5, 2024


Once you’ve registered for 100&Change, complete and submit your application by Thursday, September 5, 2024 at 5:00 PM U.S. Central Time. Describe an urgent, significant problem and propose a bold and lasting solution. Your idea can come from any field or sector, but the solution must be impactful, evidence-based, feasible, durable, and just.

October 15 – November 12, 2024

Participatory Review

Each valid application will be scored using a common rubric and will receive feedback from five fellow applicants within the same domain. Based on the rank order of scores, up to 500 applications will move forward.

November 2024 – Feb 2025

Wise Head Panel

Up to 500 applications will receive an additional set of five scores and comments from our Wise Head Panel who will use a common rubric.

Spring 2025

Finalists Selected

MacArthur’s Board of Directors will select up to five finalists. These finalists will be invited to work with a team of experts to further strengthen their proposals.

Spring – Summer 2025

Project Development

Finalists will work with an expert team to strengthen their proposals, present a preliminary plan for monitoring and evaluation and learning, and show authentic engagement with communities of interest before submitting revised project plans.

Winter 2025

Award Announced

Selection of the final award recipient rests with MacArthur’s Board of Directors. The $100 million grant must be used to implement the successful applicant’s solution.

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