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Wisconsin Watch partners with Gigafact to produce fact briefs — bite-sized fact checks of trending claims. Read our methodology to learn how we check claims.

No.

Illegal immigration increased while Donald Trump was president. It did not decrease 90% as Wisconsin Republican Tony Wied claimed July 19, 2024.

Wied is running for the Green Bay-area U.S. House seat. His campaign cited a complicated chart on U.S.-Mexico border encounters that Trump has used at rallies, but did not identify what would back Wied’s claim.

Sen. Ron Johnson, R-Wis., has said his staff developed the chart and Trump modified it. Johnson’s office did not reply to questions.

News reports have repeatedly discredited Trump’s chart, noting the low point for border encounters was in April 2020 at the height of the COVID-19 pandemic.

Southwest border encounters decreased 43% in 2017, the first year Trump was in office.

But they were higher in each of the next three years than in 2016, including 80% higher in 2019:

2016: 442,940.

2017: 250,838.

2018: 466,624.

2019: 799,674.

2020: 508,214.

This fact brief is responsive to conversations such as this one.

Sources

WLUK-TV FOX 11: 8th Congressional District Republican primary debate

Google Docs: Trump immigration chart cited by Wied campaign

X (formerly Twitter): Sen. Ron Johnson post

ABC News: Dissecting the immigration chart Trump says saved his life

FactCheck.org: Trump’s Misleading Chart on Illegal Immigration

Washington Post: A look at Trump’s misleading, inaccurate graph of U.S. immigration

New York Times: Fact-Checking the Immigration Chart That Trump Says ‘Saved My Life’

Google Docs: Monthly Southwest Border apprehensions under Trump

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Tom Kertscher joined Wisconsin Watch as a full-time Milwaukee-based reporter in October 2024 after starting as a freelance Fact Briefs reporter in January 2023. In addition to contributing to Wisconsin Watch’s collaboration with The Gigafact Project to combat online misinformation, he reports on Wisconsin policy, labor, energy and the rapid expansion of data centers across the state. Kertscher is a former longtime reporter at the Milwaukee Journal Sentinel, a contributing writer for Milwaukee Magazine and the author of two sports books, on Al McGuire and Brett Favre.