Fact-check · Sep 10, 2026 · Donald Trump
“Delivered the largest tax cuts in American history”
FALSESaid in 8 broadcasts
What the record shows
2017 Tax Cuts and Jobs Act ranks 10th largest since 1940 at 0.69% of GDP; 2025 law ranks 3rd at 1.4% of GDP. Largest remains 1981 Reagan cut at 2.9% of GDP.
Sources
- Is the OBBBA the “Largest Tax Cut in American History?”
- Placing Biden and Trump Tax Proposals in Historical Context
- Largest Tax Cut in History? - FactCheck.org
- Is President Trump's Tax Cut the Largest in History Yet? | Committee for a Responsible Federal Budget
- Placing Harris and Trump Tax Plans in Historical Context
- The Largest Tax Cut in History for Working and Middle-Class Americans
From: LIVE: RNC 2026 National Convention in Dallas Features President Trump and VP Vance on Day 2
Every time it was said
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