• Former President Donald Trump has proposed replacing the federal income tax with high tariffs on imports, a move experts say is mathematically unfeasible.
  • Economic analyses indicate such a swap would generate less than half of current income tax revenue, likely causing inflation, job losses, and global trade retaliation.
  • The idea is gaining traction in conservative policy circles, signaling a broader philosophical shift toward consumption-based taxation despite severe economic headwinds.

Former President Donald Trump has recently discussed a radical overhaul of the U.S. tax system, proposing to eliminate the federal income tax and replace the lost revenue with significantly higher tariffs on imported goods. The idea, which has circulated among his policy advisers, includes calls for a blanket 10% levy on all U.S. imports and targeted tariffs on Chinese goods exceeding 60%.

However, the economic viability of such a plan is immediately called into question by the numbers. In 2023, the total value of imported goods was approximately $3.1 trillion, a figure dwarfed by the U.S. taxable income base of over $20 trillion. According to people familiar with budgetary analyses, even extreme tariff rates would fail to generate more than half of the revenue currently collected by the income tax. Furthermore, such punitive tariffs would inevitably shrink the volume of imports through reduced demand and foreign retaliation, creating a self-defeating revenue cycle and widening the fiscal gap.

“You’re looking at a mathematical impossibility that would trigger a recession,” said one economic policy analyst who requested anonymity to discuss the sensitive political proposal. “The revenue shortfall would be catastrophic, and the resulting consumer price inflation would be felt immediately by American households.” The proposal would represent a fundamental shift of the tax burden from income to consumption, a move that analysts say would disproportionately benefit wealthier individuals and place a heavier load on lower-income groups who spend a larger share of their earnings on goods.

The political momentum behind the idea is nonetheless building within certain conservative circles. Policy groups are actively exploring ways to eliminate the income tax, with parallel efforts aimed at cutting IRS funding or abolishing the agency entirely. This aligns with a longer-term philosophical push toward consumption-based tax regimes, with some states already experimenting with similar swaps at the local level.

Internationally, the proposal is viewed as a direct threat to global trade stability. It would violate numerous existing international agreements and almost certainly provoke swift retaliation from major U.S. trade partners, potentially igniting a widespread trade war. “The backlash would be immediate and severe,” an international trade lawyer noted. “It would destabilize decades of economic diplomacy in one fell swoop.”

While some experts have pointed to a border-adjusted tax—which pairs tariffs with export subsidies—as a more theoretically sound alternative, such a mechanism is complex and has previously stalled in Congress. For now, Trump’s tariff-for-tax idea remains a central, though highly contentious, part of the evolving policy debate ahead of the 2025 presidential race.