Key moments that shaped the national debt include the Civil War, both World Wars, the 2008 recession, and the COVID-19 pandemic.

For everyday Americans, a relatively high national debt can lead to higher interest rates on financial products such as mortgages.

The US has carried debt since 1791

After the Revolutionary War, the US owed $75M to nations like France. Debt builds when spending exceeds revenue, funding programs, wars, and economic recovery efforts. Most debt is domestic, like Social Security bonds, with foreign nations also holding a share.

The federal deficit is the gap between what the US spends and what it collects.

The federal government has spent more money annually than it has collected every year since 2022.

The national debt is the total amount the US government owes its creditors

This US Treasury page explains what the national debt is, how it accumulates from annual deficits, and why rising debt can affect interest costs, fiscal flexibility, and long-term economic stability.

Treasury bonds, notes, and bills are critical vehicles for the federal government to raise money for public expenses and manage the national debt.

See a chart showing how much the US federal government pays in interest on its debt.

The national debt consists of public debt and intragovernmental debt.

The national debt is growing at a faster rate than the economy.

In 2025, the US credit rating was downgraded over concerns about the debt-to-GDP ratio.

If the US government paid off its debt, it could disrupt the entire bond market, as Treasury bonds are among the most common bonds for investors and the majority of the national debt is in bonds.

Does Social Security contribute to the national debt?

Social Security operates through a trust fund built from payroll taxes. When costs outpace revenue, as they have since 2021, the program redeems Treasury bonds to cover the gap. To repay these bonds, the government often borrows more money, indirectly adding to the national debt and impacting fiscal policy.

Some argue that the rising US national debt has become more important in recent months.

Some economists argue that the national debt is not a critical concern.

Explore a database that shows how the US national debt changes over a 24-hour period.

Nearly 70% of the US government’s debt is domestic

This includes intragovernmental holdings like the Social Security Trust Fund and investments from US citizens, banks, and mutual funds. About 30% is foreign-held, with countries like Japan and China as major creditors, investing in US Treasury securities due to their perceived safety.

In 2025, the US national debt per person was $113K.

Individual income taxes are the federal government's primary revenue source, see a tracker that breaks down where the rest of the budget comes from

The US government historically makes nearly half of its total revenue last year from individual income taxes. But the US makes also makes money from a variety of other sources, including Medicare taxes and corporate income taxes. However, the federal government has run a deficit since 2001—reaching a peak of $3.13T in 2020.

Use this calculator to find out the programs and services your federal income taxes fund.

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The current federal budget, deficit, and debt, in charts

The US Treasury regularly publishes updated data on the federal budget, and this site hosts visualizations of that data. See reports on spending, revenues, deficits, and where the national debt stands.

The debt ceiling is a legal cap on how much money the US government can borrow.

The US national debt is over $31T

The US national debt is at its highest level ever. Learn how the national debt grew to that level and what it means for US economic growth with charts and simple explanations.

The US and Denmark are the only two countries known to abide by a predetermined borrowing limit.

The US debt ceiling is the threshold Congress sets for federal borrowing.

Why Ray Dalio thinks the US deficit is a political problem

Dalio frequently argues that debt cycles are inevitable and a tradition of every empire. However, he said in 2025 that the US was headed for a debt crisis. Dalio says that while Republicans and Democrats agree on the math of the debt crisis, all politicians make promises to neither increase taxes nor cut government benefits—which Dalio says can't close the deficit.

Many local governments also struggle to rein in their spending.

America’s looming debt spiral

The United States has a debt problem. In 1989, the national debt was almost $3T. As of 2023, that number had ballooned to more than $30T. This video explains why the national debt grew so quickly, and what America's options are going forward. It also explores why the problem is trapped in political gridlock. Watch it to find out more.

Revenue from tariffs goes to the US Treasury's general fund.

About 80% of US debt is held by domestic and foreign investors.

Total national debt as of yesterday

Debt to the Penny is the total debt of the U.S. government and is reported daily. It is made up of intragovernmental holdings and debt held by the public.

Use this interactive calculator to see if you could rebalance the federal budget by adjusting taxes and spending.

The federal debt ceiling 101

The debt ceiling periodically takes center stage as Congress debates whether to increase or suspend this self-imposed limit on its borrowing authority. Learn the basics on this crucial feature of US fiscal policy with this Q&A.

The Constitution gives Congress sweeping control over the federal budget

Article I, Section 8's Spending Clause authorizes Congress to tax, pay debts, and promote the "common Defence and general Welfare," making it one of Congress's most powerful tools—and the constitutional foundation of federal budget control.

Before the 16th Amendment, US tax law required direct taxes to be directly apportioned to a state's population

Due to these requirements, the federal government could not impose many direct taxes. Direct taxes include property and income taxes, whereas indirect taxes include duties and excises.

See comparisons of different countries' taxation strategies

Taxes are a major revenue source for most countries, and how each government taxes citizens often reflects the country's economy. Developed countries tax at much higher rates than developing ones, and as a country grows its GDP, it also typically grows the proportional percentage of taxes it gains from its citizens.

About one dollar in every six that are owed to the federal government aren't paid each year

That adds up to close to $1T in what's known as the "tax gap." Read a breakdown on the main drivers of tax evasion (distinct from legal tax avoidance) in the US.