The United States has crossed a fiscal landmark that would have seemed extraordinary less than a decade ago. Federal debt has moved above $40 trillion, reaching about $40.05 trillion in August 2026, according to Treasury data. The figure is more than double the roughly $19.95 trillion recorded when Donald Trump first entered the White House in January 2017.

The size of the number matters, but the more important issue is how the debt accumulated so rapidly and why the underlying forces driving it remain largely intact. The rise cannot be attributed to one administration, one economic crisis or one spending programme. It reflects the interaction of emergency borrowing, tax policy, expanding entitlement costs, higher interest rates and a persistent gap between what the federal government collects and what it spends.

The pandemic explains a substantial part of the acceleration, particularly during the final months of Trump’s first presidency and the early period of Joe Biden’s administration. But the return of more normal economic conditions did not restore fiscal balance. Instead, large deficits continued after the emergency had passed, indicating that the underlying problem is structural rather than temporary.

Pandemic Borrowing Became a Permanent Fiscal Burden

The sharpest acceleration in federal borrowing came during the coronavirus pandemic, when Washington deployed extraordinary amounts of money to prevent an economic collapse. Businesses received financial assistance, households received direct payments, unemployment programmes were expanded, health spending increased and governments received support.

Those measures were undertaken under both Trump and Biden and were fundamentally different from ordinary budget spending. They were designed to address an exceptional crisis. Yet the debt accumulated during that period did not disappear when the economy reopened. The Treasury continued to carry the borrowing, while subsequent deficits added to it.

Trump’s first term saw public debt rise by about $7.8 trillion, with more than half of that increase occurring during the pandemic response. Biden’s four years added another roughly $8.4 trillion. His administration continued pandemic recovery measures while also pursuing large investments in infrastructure, clean energy and other domestic priorities.

The political differences between the two administrations therefore do not change the broader fiscal picture. Both operated in an environment where borrowing was used extensively to finance policy objectives. The pandemic made the increase dramatically faster, but it did not create the entire imbalance.

Tax Policy and Spending Have Moved in Opposite Directions

The more difficult problem is that the United States has continued to run large deficits even without an economy-wide emergency. Federal revenues have repeatedly failed to keep pace with expenditures, while major spending categories have continued to expand.

Tax policy has been an important part of that equation. Tax reductions can support household income, investment and economic activity, but when they are not matched by sufficient spending reductions or stronger economic growth, they can widen budget deficits. That additional borrowing then creates future interest obligations.

The latest Republican tax and spending legislation illustrates the dilemma. Congressional budget estimates have projected that the legislation will substantially increase federal deficits over the coming decade, with higher interest costs adding further to the fiscal burden. The precise effect depends on economic conditions and future policy decisions, but the central issue is straightforward: reducing revenues while maintaining significant spending commitments makes borrowing more necessary.

At the same time, cutting federal spending is politically difficult because much of the budget is tied to programmes that millions of Americans depend upon.

Entitlements and Interest Are Reshaping the Budget

Social Security, Medicare, Medicaid and veterans’ benefits account for a large share of federal spending. These programmes are under pressure from demographic change, particularly the ageing of the American population.

The retirement of the large post-war generation means more Americans are drawing Social Security and using Medicare, while the number of workers supporting those programmes through taxes is not growing at the same pace. Healthcare costs also add pressure to Medicare and other federal programmes.

That creates a problem that cannot be solved simply by eliminating a few government agencies or reducing small discretionary programmes. The politically easier targets represent only part of total federal expenditure.

Interest payments create an additional complication because debt itself generates new spending. As borrowing rises, the government must devote more money to servicing previous borrowing. Higher interest rates make that burden even larger.

Federal interest costs have already risen to more than $1 trillion annually. Congressional budget projections indicate that interest spending will continue increasing and could become an even larger share of the federal budget over the next decade.

This creates a potentially self-reinforcing cycle: larger deficits require more borrowing, more borrowing creates greater interest costs, and higher interest costs increase future deficits unless revenues rise or other spending is reduced.

The Bond Market Is Becoming Part of the Story

The $40 trillion milestone also matters because the government does not borrow in isolation. Investors must continually purchase Treasury securities to finance federal deficits and refinance maturing debt.

There is no evidence of a complete loss of confidence in Treasury securities. They remain among the world’s most important financial assets, and demand remains substantial. But investors have increasingly demanded higher returns on longer-term US government bonds.

That distinction is important. A debt crisis does not begin simply because a country reaches a particular numerical threshold. The more immediate warning sign is whether investors begin demanding substantially higher compensation for holding government debt.

Long-term Treasury yields recently reached their highest levels in many years before retreating after the Treasury announced larger buyback operations. Higher yields increase the government’s borrowing costs and can also influence mortgage rates, business loans and other borrowing costs throughout the economy.

The Treasury’s intervention may help market liquidity and reduce temporary pressure, but it cannot resolve the underlying fiscal imbalance. Buying back a limited quantity of bonds does not eliminate the need to finance continuing budget deficits.

Why $40 Trillion Is a Warning, Not a Crisis by Itself

The United States has considerable advantages that distinguish it from many heavily indebted countries. The dollar remains the world’s dominant reserve currency, Treasury securities remain central to global financial markets, and the US economy has substantial productive capacity.

Those advantages mean that crossing $40 trillion does not automatically signal an imminent sovereign debt crisis.

The more serious concern is the direction of travel. Congressional projections already show debt held by the public rising significantly relative to the size of the economy over the coming decade. Under current projections, persistent deficits continue even during periods when unemployment is expected to remain relatively low.

That suggests the problem is not simply the result of recession or emergency spending. The federal government’s basic spending and revenue structure is producing deficits that are too large to be sustained indefinitely without further borrowing.

The political difficulty is that addressing the problem requires choices that are unpopular across party lines. Raising taxes can face resistance from voters and businesses. Reducing Social Security or Medicare growth can provoke intense opposition. Cutting defence spending can become politically difficult during periods of international tension. Reducing other programmes alone is unlikely to close the gap.

The $40 trillion milestone therefore exposes a deeper contradiction in US fiscal policy. Washington continues to pursue expensive economic, social, defence and strategic priorities while avoiding the scale of revenue increases or spending reductions necessary to pay for them.

The debt ceiling may receive attention whenever borrowing approaches its statutory limit, but the deeper issue lies beyond that recurring political confrontation. Raising the ceiling allows the government to honour obligations it has already incurred; it does not determine whether those obligations were fiscally sustainable in the first place.

The United States has reached $40 trillion not because of a single policy failure, but because temporary crisis borrowing became embedded within a much broader pattern of structural deficits. Unless that pattern changes, the significance of the milestone will not be the number itself. It will be the evidence that the world’s largest economy is increasingly spending more of its future income to finance decisions made in its past.

(Adapted from TradingView.com)

Categories: Economy & Finance, Strategy