Trump's FY2027 Budget Would Slash NSF Funding by 55 Percent

The Trump administration's fiscal year 2027 budget request, released April 3, proposes cutting the National Science Foundation from $8.8 billion to roughly $4 billion — a 54.5 percent reduction that would represent the steepest single-year funding drop in the agency's 76-year history.

The proposal arrives just months after Congress rejected similarly aggressive cuts for FY2026 and instead maintained NSF at near-record levels.

What the Proposed Cuts Would Eliminate

The budget would zero out the entire Social, Behavioral and Economic Sciences directorate, which funds research in economics, psychology, sociology, and political science. No rationale was provided for the elimination.

Other research directorates face steep reductions: mathematical and physical sciences would drop to $515 million, biological sciences to $225 million, engineering to $185 million, and geosciences to $426 million. Even the administration's stated priority areas take hits — basic quantum research funding would fall 37 percent and basic AI research would lose 32 percent of its budget.

Why the Research Community Is Sounding the Alarm

The Association of American Universities warned that the proposed cut "would severely weaken our nation's ability to generate new fundamental knowledge and cutting-edge scientific breakthroughs," adding that continued NSF investment "is critical to our national security and economy, especially at this time when new evidence has just shown China's investments in science have surpassed our own."

Leigh Stearns, a glaciologist at the University of Pennsylvania, called the proposal "devastating," telling Scientific American: "We cannot cut the pipeline and expect the output to continue. This is how the US loses scientific leadership."

What Grant Seekers Should Do Before Congressional Markup

Congress holds the final say on appropriations, and lawmakers rejected comparable NSF cuts last year. But the proposal creates real uncertainty for researchers planning multi-year projects and institutions dependent on federal overhead revenue.

Grant seekers tracking NSF opportunities should monitor the congressional markup process closely. Those with pending proposals or active awards should document project milestones and prepare contingency timelines. Researchers using grantedai.com to discover NSF funding can set alerts to track how these proposed cuts move through the appropriations process.

In-depth analysis of how the FY2027 budget request affects specific NSF directorates and what researchers can do now is available on the Granted blog.