For many years, fiscal hawks have warned in regards to the devastating penalties of ballooning U.S. debt.
However economists say this time round is completely different: The debt is now so massive that piling extra on high of it as a part of President Donald Trump’s huge tax reduce and spending invoice might set the nation on a harmful path.
“It is like the home is burning down and we’re throwing in some accelerant as a substitute of some fireplace extinguisher,” stated Kent Smetters, professor of economics and public coverage on the College of Pennsylvania Wharton. “Even with out this invoice, our fiscal home is burning … we’re not too large to fail.”
Smetters warns that even with out this invoice, the U.S. was already on what he calls an “exploding debt path,” giving the federal government maybe 20 years — at most — to make significant reforms earlier than the results change into extreme.
“If we do not, the ramifications are fairly severe. Bond markets could be actually, actually disciplinary,” Smetters stated.
On the middle of the present debate is Trump’s sweeping coverage measure, which the nonpartisan Congressional Funds Workplace (CBO) initiatives would add $3.4 trillion to the federal deficit over the subsequent 10 years.
President Donald Trump arrives for a rally to kick off the July Fourth vacation weekend on the Iowa State Fairgrounds on July 3, 2025, in Des Moines, Iowa.
Scott Olson/Getty Photographs
The White Home disputes the CBO’s forecast. Trump has argued on social media that stronger financial development, coupled with tariff revenues, would offset the price of the invoice.”Our nation goes to blow up with huge development … This invoice units us on target for big prosperity within the new and great Golden Age of America,” Trump wrote.
However many economists disagree.
Trump’s invoice is without doubt one of the most costly items of laws in generations, whereas additionally reducing the quantity of tax income the nation collets for many years to return.
Even with out this invoice, the federal debt is at file ranges — roughly equal to the scale of your complete U.S. economic system. It is estimated about one in each 4 {dollars} paid in private earnings taxes goes towards curiosity on the nationwide debt.
Individuals ought to care, economists informed ABC Information, as a result of greater federal deficits imply greater rates of interest. Which means costlier mortgages, automotive loans, and it crowds out enterprise investments that will make employees extra productive, in keeping with Douglas Elmendorf, professor at Harvard Kennedy College and former economist on the White Home Council of Financial Advisers.
Plus, extra debt means much less room to answer crises, they are saying.
“It is like a household that faucets out its bank cards after which has an issue with the roof of their home. You need to have slightly room to maneuver in case dangerous issues occur, and we’re working out of that room,” Elmendorf stated.

Home of Representatives Speaker Mike Johnson indicators the U.S. President Donald Trump’s sweeping spending and tax invoice, on Capitol Hill in Washington, July 3, 2025.
Umit Bektas/Reuters
The U.S. navigated the 2008 monetary disaster and COVID-19 pandemic with huge federal authorities spending. That debt by no means got here down, which suggests the federal government can have fewer choices within the face of one other disaster.
The chance of rising debt ranges has felt intangible as a result of the U.S. is the gold normal, so the expectation has been that the world will proceed shopping for U.S. debt. Because the world’s largest economic system and the issuer of the worldwide reserve forex, the U.S. has lengthy benefitted from robust demand for its debt. However that is not assured — the bond markets confirmed jitters earlier this yr. And the concern is that buyers will sooner or later begin doubting the energy of the US economic system and the flexibility of the U.S. to repay their debt.
Economists concern this might kick off a doom loop: the debt makes rates of interest greater, which then makes the debt even greater, making it even more durable for the U.S. to dump its debt, thus ballooning the debt much more (therefore the doom loop).
“This invoice will make rates of interest greater and makes the dangers of falling right into a doom loop greater than it could be in any other case. However economists nonetheless do not know once we’d hit the doom loop,” Elmendorf stated.
If that situation unfolds, the U.S. could possibly be pressured into painful austerity.
“If we fall right into a doom loop, then the U.S. has to make dramatic cutbacks in federal profit applications like social safety and Medicaid and sharply elevate taxes. That might be actually dangerous for folks’s way of life. That is why it is essential to take reasonable actions earlier than that occurs,” Elmendorf added.