America's $36 Trillion Debt Problem — Who Pays the Bill?

The number is almost too large to process: $36.2 trillion.

That's the current US national debt — the total amount the federal government owes to bondholders, foreign nations, and the Social Security trust fund. It crossed the $36 trillion mark in late 2024 and shows no sign of slowing.

To put it another way: if you divided the national debt equally among every American citizen, each person's share would be approximately $107,000 — including newborns and retirees.

The debt isn't new. The US has been running deficits for most of the past century. But something shifted in the last few years that's turning what was once a background concern into a foreground crisis: the interest bill is now astronomical.

The Interest Rate Trap

For decades, the US could borrow cheaply. When interest rates are near zero, a $30 trillion debt is manageable — the annual interest cost is relatively small compared to GDP.

Then inflation hit. The Federal Reserve raised rates from near-zero to 5.25–5.5% between 2022 and 2023. And here's the brutal math: the US government has to refinance its debt as it matures — rolling old cheap debt into new expensive debt.

In fiscal year 2025, the US paid $1.1 trillion in net interest on the national debt.

That number is worth sitting with. One trillion, one hundred billion dollars — just in interest. Not paying down principal. Just servicing the debt.

For context: the entire US defense budget is approximately $886 billion. Interest payments now exceed what America spends on its military.

They exceed Medicare. They exceed Medicaid. The only category of federal spending larger is Social Security.

And interest payments are projected to hit $1.8 trillion by 2034 under current trajectories.

How Did We Get Here?

The debt grew through a combination of deliberate choices and crisis responses.

Tax cuts without corresponding spending cuts. The 2001 and 2003 Bush tax cuts added roughly $2.5 trillion to the debt over a decade. The 2017 Tax Cuts and Jobs Act added an estimated $1.9 trillion over 10 years. In both cases, projected economic growth that was supposed to offset the cuts failed to materialize at the predicted scale.

Wars. The post-9/11 military operations in Afghanistan and Iraq ultimately cost over $6 trillion when accounting for veterans' care, interest, and ongoing commitments.

Crisis spending. The 2008 financial crisis required a $700 billion bailout plus stimulus. COVID-19 required $5+ trillion in emergency spending from 2020–2021. These were defensible responses to genuine emergencies — but they added substantially to the debt load.

Entitlement growth. Social Security and Medicare spending grows automatically as the population ages and healthcare costs rise. Neither party has found the political will to restructure these programs.

Political dysfunction. Both parties have, at various points, supported spending increases and tax cuts without paying for them. The "pay-as-you-go" norm broke down in the 1990s and has never been credibly restored.

The result: a debt that grew from $5 trillion in 2000 to $10 trillion in 2008, $20 trillion in 2017, $30 trillion in 2022, and $36 trillion today.

What the Debt Optimists Say

Not all economists view the current debt level with alarm. The "debt doesn't matter" camp — associated with Modern Monetary Theory and some mainstream Keynesian economists — makes several arguments worth understanding:

The US borrows in its own currency. Unlike Greece or Argentina, which borrowed in currencies they didn't control, the US can always print dollars to pay its debts. A default by choice is possible; a default by inability is not (at least in nominal terms).

Debt-to-GDP is what matters, not the absolute number. Japan has government debt exceeding 260% of GDP and hasn't collapsed. The US is around 120% of GDP — high by historical standards, but not uniquely catastrophic.

Low real rates may return. If inflation falls and the Fed cuts rates significantly, the refinancing burden eases. The debt becomes more manageable if borrowing costs drop.

Deficit spending drives growth. Government debt is the private sector's asset — when the government runs a deficit, those dollars end up as private savings and business investment. Cutting deficits sharply can slow growth.

These are legitimate points that deserve engagement, not dismissal. The debt doomsayers have been wrong before — and spectacularly so. "Fiscal crisis" predictions have been a fixture of economic commentary for 30 years without manifesting as predicted.

What the Debt Pessimists Say

But the optimists' case has limits that are getting harder to ignore:

The interest trap is real and self-reinforcing. When interest payments consume an ever-larger share of the budget, there's less room for everything else — education, infrastructure, defense, social programs. Either taxes rise, spending falls, or the deficit grows further. Each of those options has economic consequences.

Foreign holders are diversifying away. China has reduced its holdings of US Treasuries from $1.3 trillion in 2013 to around $760 billion today. Japan, the largest foreign holder, has also been trimming. As foreign demand for US debt softens, the Treasury must offer higher yields — which makes the interest problem worse.

The bond market can impose discipline suddenly. The 2022 UK mini-budget crisis — in which Liz Truss's government announced unfunded tax cuts and caused a bond market panic that forced a policy reversal within weeks — is a cautionary tale. The US is vastly larger and the dollar is the world's reserve currency, but the mechanism is the same. When bond investors lose confidence, borrowing costs can spike faster than governments can respond.

Entitlements are the elephant in the room. The Social Security trust fund is projected to be depleted by 2033, at which point benefits would need to be cut by approximately 23% unless Congress acts. Medicare's hospital insurance fund faces similar depletion. Without reform, these programs drive the deficit higher indefinitely.

What It Means for You

Abstract trillions are hard to relate to. Here's what the debt situation means practically:

Higher taxes are likely, eventually. Whether it's income taxes, corporate taxes, capital gains taxes, or a new consumption tax — the math of the debt makes some form of revenue increase politically inevitable, regardless of which party is in power.

Higher interest rates for longer. The government's borrowing needs put upward pressure on all interest rates — mortgages, car loans, credit cards, business loans. A government crowding out private borrowers raises the cost of capital economy-wide.

Inflation as the silent tax. If political dysfunction prevents both tax increases and spending cuts, the pressure valve may be inflation — allowing debt to be repaid in cheaper future dollars. This erodes purchasing power for everyone, but particularly for savers and retirees on fixed incomes.

Potential cuts to entitlements. If Social Security or Medicare are restructured — benefit cuts, eligibility age increases, means testing — the people most affected will be those currently in their 40s and 50s who have planned around the current system.

Reduced public investment. When debt service consumes more of the budget, there's less for everything else. Infrastructure, scientific research, education, and public health all compete for a shrinking non-mandatory budget.

Is There a Way Out?

Mathematically, there are only a few paths:

1. Grow your way out: strong, sustained economic growth increases tax revenues and shrinks debt-to-GDP without requiring painful cuts. It's the most politically palatable option — and the least reliable.

2. Cut spending: reducing Social Security, Medicare, defense, or discretionary spending. Politically brutal. Economically contractionary in the short run.

3. Raise taxes: increase revenues through higher rates, closing loopholes, or new taxes. Also politically difficult. Redistributive effects are contested.

4. Inflate away: allow moderate inflation to erode the real value of the debt over time. Punishes savers. Risks destabilizing the dollar's reserve currency status.

5. Restructure or default: technically possible, practically catastrophic. Would destroy US creditworthiness and trigger a global financial crisis. Not a realistic option for a country that controls its own currency.

The most likely outcome: a combination of modest growth, modest tax increases, and modest entitlement reforms — delayed for as long as politically possible, then implemented in a rush when the crisis forces action.

History suggests democracies don't solve fiscal problems until they're forced to. The US has the luxury of being forced to very slowly — right up until it isn't.

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The bottom line for individuals: the debt won't cause an immediate crisis you'll notice next week. But it will gradually shape your tax burden, your purchasing power, and the quality of public services over the next 20 years. Planning around higher taxes and lower entitlements is prudent — not alarmist.

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$36 trillion isn't a number. It's a set of choices — made over decades — that future generations will spend decades repaying.