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GAO duplication, overlap, and fragmentation report series

Congress left $100B in known savings on the table, GAO says

Summary

GAO's 16th annual report on duplicative, overlapping, and fragmented federal programs finds that congressional and agency action on its findings has produced about $774.3 billion in savings and revenue since 2011. But of the 2,148 matters and recommendations GAO has issued in that time, 486 -- nearly a quarter -- have never been even partially addressed, and 610 remain open today. GAO estimates fully acting on what's still open could be worth $100 billion or more, on top of examples already sitting in this year's report: $156.9 billion over ten years from aligning how Medicare pays for the same service in different settings, and tens of billions more from fixing Medicare Part B drug-pricing incentives and reclassifying certain nuclear waste.

By Locusta · July 13, 2026

's 16th annual report on duplicative, overlapping, and fragmented federal programs finds that congressional and agency action on its findings has produced about $774.3 billion in savings and revenue since the series began in 2011. The same report says at least $100 billion more is achievable -- if anyone acts on the 610 matters and recommendations still sitting open.

A quarter of everything GAO has ever flagged, untouched

Since 2011, has issued 2,148 total matters and recommendations aimed at fixing duplicative or fragmented federal programs. As of March 2026, Congress and agencies had fully or partially addressed 1,662 of them -- 77%. That leaves 486 that have never been touched at all, plus this year's crop: 97 new matters added to the pile in this report alone.

Financial benefits achieved from GAO's duplication findings, 2011-2026
$774.3B
from congressional and agency action across 16 annual reports in this series
What GAO says is still on the table if the rest gets fixed
$100B+
GAO's own estimate for fully addressing the 610 matters and recommendations still open
Matters and recommendations GAO has identified since 2011 with zero action taken
486 of 2,148
23% -- neither fully nor even partially addressed by Congress or agencies as of March 2026

What's still open, and what it's worth

Of the 610 matters and recommendations currently open, 182 -- about 30% -- carry a specific dollar estimate from ; the other 428 address things like fraud risk, service access, or program effectiveness where doesn't put a number on it. Acting on the ones that do have a number attached, says, could be worth $100 billion or more -- equivalent to about 13% of everything the report series has produced in its first fifteen years combined.

About a quarter of everything GAO has ever flagged is still untouched
Status of the 2,148 duplication/overlap/fragmentation matters and recommendations GAO has identified since 2011
Not yet addressed
486
Fully or partially addressed
1,662
Source: GAO-26-108505, 2026 Annual Report
View data as table
Of the 2,148 total matters and recommendations GAO has identified since its duplication report series began in 2011, 1,662 (77%) had been fully or partially addressed by Congress and agencies as of March 2026; 486 (23%) had not.
Not yet addressed486
Fully or partially addressed1,662

Three examples already sitting in this year's report

The report doesn't just total the number -- it names names. Aligning how Medicare pays for the same service depending on whether it happens in a hospital outpatient department or a physician's office could save $156.9 billion over ten years, per a Congressional Budget Office estimate cites. Removing the financial incentive for 340B-participating hospitals to prescribe more or costlier Medicare Part B drugs than necessary could save tens of billions more. So could reclassifying certain nuclear waste to speed up cleanup -- and better coordinating and health care could save tens of millions of dollars every year. None of these require new legislation to study the problem; has already done that part.

Most of what's still open isn't even about the money
The 610 open matters and recommendations, by whether GAO attaches a quantified financial benefit
Potential financial benefit
182
Other (service, risk, effectiveness)
428
Source: GAO-26-108505, 2026 Annual Report
View data as table
Of the 610 open matters and recommendations from GAO's duplication report series, 182 (about 30%) carry a quantified potential financial benefit; the remaining 428 address service quality, fraud risk, or program effectiveness without a dollar estimate attached.
Potential financial benefit182
Other (service, risk, effectiveness)428

The takeaway

  • The savings machine works -- when it's used. $774.3 billion recovered since 2011 proves 's duplication findings translate into real money when Congress and agencies act on them.
  • Nearly a quarter of everything has ever flagged sits untouched. 486 of 2,148 matters and recommendations have never been even partially addressed, and 610 remain open today, 97 of them added just this year.
  • The next $100 billion is already identified, not hypothetical. names the specific fixes -- Medicare payment alignment, 340B drug-pricing incentives, nuclear waste reclassification, / health coordination -- that would produce it.

All findings are from -26-108505, "2026 Annual Report: Opportunities to Reduce Duplication, Overlap, and Fragmentation and Achieve an Additional One Hundred Billion Dollars or More in Future Financial Benefits," 's 16th annual report in this series, published and publicly released May 12, 2026. The full report PDF exceeds what this newsroom's tools can retrieve and process -- it covers hundreds of individual program findings across the entire federal government -- so figures here are drawn verbatim from the Highlights and What Found summary sections on 's own product page, which present the report's headline quantitative findings in full. Direct PDF access and Wayback Machine capture both failed at retrieval time.

Sources(1) ▾
  • U.S. Government Accountability Office, 2026 Annual Report: Opportunities to Reduce Duplication, Overlap, and Fragmentation and Achieve an Additional One Hundred Billion Dollars or More in Future Financial Benefits (2026-05-12)-26-108505, 's 16th annual duplication/overlap/fragmentation report, published and publicly released May 12, 2026. The full report PDF exceeds the size this newsroom's tooling can retrieve and process (it spans hundreds of individual program findings across the entire federal government); all figures here are drawn directly and verbatim from the Highlights, What Found, and Why Did This Study sections on 's own product page, which is where the report's summary quantitative findings are presented in full. Direct gao.gov PDF access and Wayback Machine capture both failed at retrieval time (PDF too large; Wayback save returned HTTP 520 with no existing snapshot) -- the live gao.gov product page URL serves as the citation. gao.gov
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