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A $40 trillion debt could lift household income by $36,000, study says

The Committee for a Responsible Federal Budget says deficit reduction could ease inflation, lower interest rates, and strengthen private investment. Its modeling puts the long-run household gain at nearly $36,000 versus rapidly rising debt.

MCBy Margaret CoyleCorrespondent, Markets & Finance
September 23, 2026, 11:10 PM ET

The numbers come first. A new report from the Committee for a Responsible Federal Budget says tackling the $40 trillion national debt could improve affordability by lifting household income and easing price pressure.

The committee argues that deficit reduction can help the Federal Reserve in its fight against inflation, which it says is currently at 3.4%, well above its 2% target. It writes that when interest rates remain well above the zero lower bound and the economy is performing near its productive capacity, deficit reduction can reduce excess demand and slow price growth.

The report also says lower deficits could boost supply by reducing the 'crowding out' of private investment. It adds that deficit reduction can further reduce inflation by lowering self-reinforcing inflation expectations if it reduces the likelihood that future policymakers will try to inflate away the national debt.

The committee ran several examples of what lower rates could mean for families. It says a 1.5 percentage point rate reduction would save a family $5,800 per year on a $500,000 mortgage and $500 per year on a $50,000 car loan.

The broader case centers on the debt-to-GDP ratio. The U.S. ratio is now approximately 123%, and the Congressional Budget Office has estimated that stabilizing it would boost real per-person income growth by 10% over the next three decades, and more than 44% compared with a high-debt scenario.

Using the CBO's modeling, the committee says income per person would grow by $46,500 over the next three decades in today's dollars with stable debt, versus $32,350 with rapidly rising debt. It adds that people would enjoy $14,250 more annual income from stable debt, or nearly $36,000 more per household, compared with rapidly rising debt.

The report lands at a moment when household costs remain a political issue. A July Pew Research study showed the economy was the top-of-mind issue for voters, with 29% saying they wanted congressional candidates to address price increases, while 15% named affordability and the cost of living.

Washington likes to call this an affordability crisis, but the bill keeps arriving in the same place: on the taxpayer, through higher borrowing costs, weaker investment, and slower growth. Capital rewards clear rules, not endless deficit politics.

The market has already voted. If lawmakers want lower inflation and stronger household income, the path runs through fiscal discipline, not another round of debt-financed promises.

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