Fact Check: Did Republicans pass the largest tax cut in U.S. history?

Media Bias Fact Check (MBFC) publishes daily vetted fact checks from verified IFCN-approved sources. Each claim is independently reviewed for accuracy and context.


Claimant: Zach Nunn (R)


Claim: “We have cut the largest taxes in U.S. history.”


Rating: MOSTLY FALSE


Explanation: Measured as a share of the economy, the One Big Beautiful Bill Act is not the largest tax cut in U.S. history. Its new tax cuts rank tied for sixth-largest since 1980, while including the extension of the 2017 tax cuts places it third.


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Date: 10/20/2026


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Last Updated on October 20, 2026 by Media Bias Fact Check