President Donald Trump’s Senior Adviser, Peter Navarro, as soon as recommended that the Trump tariffs would generate $700 billion per yr.
Not so, says one researcher.
Writing in Cause, Analysis Fellow Jack Salmon from the Mercatus Heart takes concern with Navarro’s apparently inflated numbers.
“On the time (of their announcement), I estimated {that a} extra life like estimate of the utmost extra income these tariffs may reap was seemingly lower than $300 billion, which might barely fund two weeks of federal authorities spending,” Salmon writes.
Citing customs duties income information as proof, Salmon suggests his prediction has been borne out, “far nearer to actuality than what the administration was promising.”
Tariff revenues did tick up throughout this 11-month interval, Salmon notes, averaging just below $27 billion a month from April 2025 by February 2026. That’s “roughly $296 billion in cumulative tariff revenues since” the tariffs had been introduced, Trump’s so-called “Liberation Day.”
Salmon makes use of that month-to-month common to foretell March’s whole will carry the yr’s income to about $323 billion.
There’s a catch even to that decrease quantity than the administration’s predictions. It’s not all “Liberation Day” ahead. “Within the yr main as much as April 2025, the treasury already collected about $83 billion in customs duties.”
Meaning, by Salmon’s estimate, Trump’s tariffs led to about $240 billion in extra income inside 12 months. To place it one other manner, that’s “sufficient income to fund an extra 12 days of federal authorities spending,” Salmon says.
“If we had been to make use of a barely extra beneficiant measure of month-to-month tariff income by annualizing solely the month-to-month collections when the efficient tariff price was 10 % or extra, then we get about $264 billion, or sufficient to fund about 13 extra days of presidency spending.”
Including to the draw back, Salmon cites the unfavourable financial influence of tariffs and broader commerce uncertainty. “That signifies that financial output was decrease over the past yr than it could have been absent tariffs. The Yale Price range Lab estimated that this dynamic impact reduces tariff revenues by at the very least $41 billion this yr.”
Adjusted for these results, extra tariff income covers solely 10 or 11 days of presidency spending, reasonably than 12 or 13, Salmon contends. That after all, is topic as to whether refunds are going to be made.
“The previous yr supplies a helpful actuality examine on claims that tariffs can meaningfully enhance the federal authorities’s fiscal place,” Salmon mentioned.
He concludes that the lesson right here is easy: “Tariffs can not resolve the federal authorities’s fiscal imbalance. If policymakers are severe about addressing the deficit, they must look past protectionist taxes and confront what’s actually driving our deficits, specifically uncontrolled development in entitlement spending.”












