America’s $40 Trillion Debt Is Not a Crisis Yet. The Cost Is Already Moving Toward Households

 

America’s $40 trillion national debt is not an immediate fiscal crisis, but rising interest costs could increasingly reach ordinary households through borrowing costs, taxes and tighter federal budgets.

By Muhammad Munaeem Jamal | Karachi-based political economy commentator working in  Treasury, with professional experience in SWIFT and cross-border payments

Published: August 20, 2026

The Number on My Phone

I stopped at the $40 trillion figure when it appeared on my phone in Karachi. Not because I thought America was about to run out of money. Countries do not operate like household bank accounts, and the United States occupies a financial position that almost no other country possesses.

A different question interested me. When does a number sitting on Washington's balance sheet begin appearing in an American family's monthly expenses? That is where the national debt becomes more than a political argument.

The U.S. government's gross national debt has crossed $40 trillion. The more useful economic measure, debt held by the public, stands at about 101 percent of GDP in 2026 under Congressional Budget Office projections. CBO expects it to reach 120 percent by 2036.

The annual gap remains large as well. CBO projects a federal deficit of about $1.9 trillion this fiscal year, rising to $3.1 trillion in 2036. These are unusually large deficits for an economy outside a major recession.

The numbers behind the argument

• Gross federal debt: more than $40 trillion
• FY2026 projected deficit: about $1.9 trillion
• Debt held by the public, 2026: about 101% of GDP
• Projected debt held by the public, 2036: about 120% of GDP
• Projected FY2036 deficit: about $3.1 trillion

The $40 trillion headline gets attention. The trajectory matters more.

America Is Not Pakistan With More Zeros

Working in the Treasury Department at HBL, in the SWIFT section, has shaped how I look at this problem. I spend my professional life close to the infrastructure through which banks communicate payment instructions across borders. That makes one distinction impossible for me to ignore.

America's debt problem cannot be understood in the same way as Pakistan's.

Pakistan must continually worry about its access to foreign currency. External payments eventually require currencies that Pakistan does not issue. A shortage of dollars can therefore become a balance-of-payments problem with painful speed.

Washington sits on the other side of that system.

The United States borrows overwhelmingly in dollars. The dollar remains deeply embedded in international banking and cross-border settlement, while U.S. Treasury securities occupy an exceptional place in global finance. Governments, banks and institutional investors use them as reserve assets and highly liquid securities.

That privilege changes the debt equation.

A country that must obtain somebody else's currency to repay external obligations can hit a financing wall. The United States issues liabilities denominated principally in the currency at the centre of the international financial system.

That does not make $40 trillion harmless.

It gives Washington time.

And time can become politically dangerous because it allows difficult decisions to be postponed.

The Problem Starts With the Interest Bill

The pressure begins inside the federal budget rather than at an imaginary bankruptcy counter.

Treasury must continually issue securities to finance new deficits and refinance maturing obligations. When prevailing interest rates rise, the higher financing cost gradually works through the government's debt stock as securities mature and new ones replace them.

The result is not national insolvency.

It is shrinking fiscal room.

CBO says rising net interest costs are an important reason federal deficits increase over its ten-year projection. Meanwhile, spending pressures from major mandatory programmes remain substantial.

Interest has a peculiar characteristic in a government budget. When Washington spends money building something useful, the taxpayer can potentially receive an economic asset or service in return. Interest largely pays for financing decisions already made.

Each additional dollar devoted to servicing accumulated debt therefore becomes harder to spend elsewhere without raising more revenue or borrowing again.

The constraint can remain almost invisible for years.

Then Congress faces choices over taxes and spending that become progressively harder to avoid.

How Washington's Debt Can Reach a Mortgage

The second transmission mechanism runs through financial markets.

The federal government sells Treasury securities into the same broad capital markets used by businesses and households. An expanding supply of government debt does not mechanically determine every American interest rate, but it can put upward pressure on longer-term borrowing costs.

Federal Reserve researchers provided unusually useful evidence on this question in May 2026. Their study estimated that a one-percentage-point increase in the expected U.S. debt-to-GDP ratio raises the 10-year Treasury term premium by roughly two to three basis points.

One move sounds tiny.

A persistent increase in debt is not.

Long-term Treasury rates help form the financial benchmark against which other forms of credit are priced. Mortgage rates do not simply equal the 10-year Treasury yield, but movements in long-term market rates influence the financing environment confronting lenders and borrowers.

Consider a purely illustrative example.

A household borrowing $400,000 for 30 years at 6 percent would face principal and interest payments of roughly $2,398 a month. At 7 percent, the payment rises to about $2,661.

That is approximately $263 more every month, or more than $3,100 a year.

Federal debt alone would not cause such a one-percentage-point increase. Inflation expectations, Federal Reserve policy and mortgage-market conditions all influence home-loan rates. The example shows something narrower: seemingly modest changes in long-term financing costs become substantial when applied to a large household loan over decades.

The homeowner never receives an invoice labelled National Debt Charge.

The economic transmission is quieter than that.

Trump Inherited the Problem. His Decisions Still Matter

Donald Trump did not create America's $40 trillion debt.

Any serious analysis should say that plainly.

Republican and Democratic administrations accumulated the obligations over decades. Congress repeatedly approved spending commitments and tax structures that produced deficits under presidents of both parties. Financial crises and the pandemic added extraordinary borrowing along the way.

Trump therefore inherited a structural fiscal problem.

Inheritance, however, does not remove responsibility for what happens next.

CBO's 2026 baseline illustrates the scale of the challenge. The agency projects the federal deficit at 5.8 percent of GDP this year, compared with an average of 3.8 percent over the past 50 years. Debt held by the public continues climbing under current law.

A president promising fiscal discipline therefore faces an awkward arithmetic.

Administrative efficiency can eliminate waste. Spending restraint can reduce some outlays. Faster productivity growth could improve the denominator of the debt-to-GDP ratio and generate additional revenue.

None offers a painless substitute for confronting the structural gap between federal commitments and federal revenue.

The political difficulty becomes obvious once Washington moves beyond rhetoric. Large spending programmes have constituencies. Tax reductions have constituencies too.

Interest payments do not negotiate.

If Trump cannot slow the debt trajectory, responsibility for America's accumulated debt will still belong to many administrations. Responsibility for policies that worsen or improve the trajectory during his presidency will belong to his administration and Congress.

That distinction matters.

The Debt Eventually Reaches the Taxpayer

Americans do not need a Treasury crisis before they begin paying for fiscal deterioration.

The adjustment can arrive through government choices.

Washington could eventually collect more revenue. Congress could restrain the growth of benefits or squeeze discretionary programmes. A combination is possible.

Another cost may appear without an explicit tax increase.

If heavy government borrowing contributes to persistently higher interest rates, businesses face a higher cost of capital. Some investments then fail to clear the required return. A company delays expansion or decides that a new plant no longer makes financial sense.

Nothing dramatic appears on television.

The factory simply does not get built.

The worker never receives the job that might have existed. Productivity improves more slowly, and future wages can suffer with it.

That is why I find the gradual-growth argument more persuasive than predictions of an imminent American debt collapse.

A fiscal crisis is spectacular.

Fiscal erosion is quieter.

Inflation Is Possible, but the Mechanism Matters

Debt discussions often collapse into a simple claim: Washington borrows, Washington prints money, prices rise.

The institutional machinery does not work so neatly.

The U.S. Treasury issues government debt. The Federal Reserve conducts monetary policy. Large fiscal deficits therefore do not automatically translate into an equivalent amount of newly created money or an identical increase in consumer prices.

Fiscal policy can still complicate monetary policy.

If government policy adds substantial demand when inflationary pressures remain strong, the Federal Reserve may need to maintain tighter monetary conditions than it otherwise would. Higher rates then affect housing and corporate finance.

The Federal Reserve's May 2026 Financial Stability Report made the household connection explicit in another context: unexpectedly high long-term rates can increase consumer borrowing costs and strain household budgets.

An American family does not need to understand the institutional boundary between Treasury and the Federal Reserve to feel that pressure.

Its bank statement will explain enough.

The Dollar Gives Washington Something More Valuable Than Money

From my desk in Karachi, this remains the part of the American debt story that fascinates me most.

Washington possesses time.

Demand for dollars and Treasury securities gives the United States financing capacity that countries with fragile currencies cannot easily reproduce. International finance continues to need dollar liquidity, and Treasury securities remain deeply integrated into global portfolios.

That makes predictions of foreigners suddenly abandoning U.S. debt because a debt clock crossed $40 trillion unconvincing.

The more plausible danger is incremental.

Investors can continue buying Treasuries while demanding somewhat greater compensation for duration, inflation or fiscal uncertainty. Higher yields then increase Washington's refinancing costs. Those interest costs feed future deficits.

Debt produces interest.

Interest contributes to deficits.

The government issues more debt.

The cycle does not have to end in default to become expensive.

Federal Reserve research now gives this mechanism additional empirical support. Its May 2026 study found that expectations of higher government debt can causally increase longer-term neutral rates and the Treasury term premium.

America's financial privilege therefore changes the timing of the problem, not its underlying arithmetic.

The Quiet Victim May Be Economic Growth

Suppose America never experiences the dramatic fiscal crisis that debt-clock commentary often predicts.

That does not make the debt free.

Persistent government borrowing can absorb capital that might otherwise finance private investment. Higher long-term rates can discourage marginal projects. Growing interest expenditure can also make productive public investment harder to finance politically.

Each effect looks small in isolation.

Compounding changes the picture.

Even slightly weaker productivity growth sustained over many years can materially reduce future living standards. A worker in 2036 may earn less than he otherwise would have earned without ever knowing which investment failed to occur ten years earlier.

That is the uncomfortable feature of fiscal deterioration.

The counterfactual remains invisible.

Nobody receives a statement showing the salary he might have earned in an economy with stronger capital formation. Nobody sees the business that an entrepreneur considered but never opened.

Yet lost opportunities are economic costs.

The $40 Trillion Number Is Not the Story

I return to the number I saw on my phone in Karachi.

Forty trillion dollars is extraordinary. But treating the milestone itself as evidence that America is about to go bankrupt misunderstands the financial system that supports U.S. borrowing.

The real question is slower and less theatrical.

How much of America's future income will Washington have to devote to financing yesterday's decisions?

An ordinary American probably will not watch Treasury auctions or study CBO debt projections. He will watch other numbers.

The mortgage payment may rise.

His tax bill may eventually change. A government programme he expected to remain untouched may face political pressure.

None requires the dollar to collapse.

None requires America to default.

The peculiar strength of the American financial system may allow Washington to carry an extraordinary debt burden for a long time. From where I sit in international banking, that strength is unmistakable.

But strength can conceal accumulating cost.

The $40 trillion milestone does not tell me that America's fiscal system has reached its breaking point.

It tells me Washington still has time.

I am less certain that Washington still has the political willingness to use it.