
U.S. Government Accountability Office (U.S. GAO)
GAO provides fact-based, nonpartisan information to Congress. Often called the "congressional watchdog," GAO investigates federal spending and performance.
What GAO Does | U.S. GAO
Learn about GAO's processes for reports, testimonies, and legal opinions; how we serve Congress; and our role as an audit institution.
Reports | U.S. GAO
GAO’s reports give Congress timely, fact-based, non-partisan information that can improve government operations and save taxpayers billions of dollars. GAO is best known for our reports that detail the …
U.S. GAO - Press Center
Nov 25, 2025 · Please note that GAO does not issue press releases for most of our reports. For questions about a specific report, please contact the individual listed on the Highlights Page. If you …
Bid Protests & Appropriations Law | U.S. GAO
Learn about GAO's activities regarding federal bid protests and appropriations law.
Reports & Testimonies | U.S. GAO
The Report Process Requests for GAO reports and testimonies must come from congressional committees, subcommittees, or members of Congress. In conjunction with Members of Congress, …
Artificial Intelligence: Generative AI's Environmental and Human ...
Apr 22, 2025 · GAO identified policy options to consider that could enhance the benefits or address the challenges of environmental and human effects of generative AI. These policy options identify …
Recommendations | U.S. GAO
GAO’s report recommendations have the potential to save taxpayers billions of dollars and greatly improve government operations. About 60% of all new reports make recommendations, and we have …
Yellow Book: Government Auditing Standards | U.S. GAO
Yellow Book: Government Auditing Standards Generally Accepted Government Auditing Standards (GAGAS), also known as the Yellow Book, provides the preeminent standards for government auditing.
Role as an Audit Institution | U.S. GAO
Standard-Setting Guides GAO is the supreme audit institution for the United States. Federal and state auditors look to GAO to provide standards for internal controls, financial audits, and other types of …