National debt of the United States

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This article is part of a series on the
Budget and debt in the United States of America
Major dimensions Economy Expenditures Federal budget Financial position Military budget Public debt Taxation Unemployment Gov't spending
Programs Medicare Social programs Social Security
Contemporary issues Bowles–Simpson Commission Bush tax cuts Debt ceiling history Deficit reduction Fiscal cliff Healthcare reform Political debates Social Security debate "Starve the beast" Subprime mortgage crisis 2007–2008 financial crisis Debt-ceiling crises 2011 2013 2023 2013 budget sequestration Government shutdowns 1980 1981, 1984, 1986 1990 1995–1996 2013 Jan 2018 2018–2019 Related events 2023 Removal of Kevin McCarthy
Terminology Cumulative deficit + Interest ≈ Debt Balance of payments Inflation Continuing resolution
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The national debt of the United States is the total national debt owed by the federal government of the United States to Treasury security holders. The national debt at any point in time is the face value of the then-outstanding Treasury securities that have been issued by the Treasury and other federal agencies. The terms "national deficit" and "national surplus" usually refer to the federal government budget balance from year to year, not the cumulative amount of debt. In a deficit year the national debt increases as the government needs to borrow funds to finance the deficit, while in a surplus year the debt decreases as more money is received than spent, enabling the government to reduce the debt by buying back Treasury securities. In general, government debt increases as a result of government spending and decreases from tax or other receipts, both of which fluctuate during the course of a fiscal year.^[1] There are two components of gross national debt:^[2]

• "Debt held by the public" – such as Treasury securities held by investors outside the federal government, including those held by individuals, corporations, the Federal Reserve, and foreign, state and local governments.
• "Debt held by government accounts" or "intragovernmental debt" – is non-marketable Treasury securities held in accounts of programs administered by the federal government, such as the Social Security Trust Fund. Debt held by government accounts represents the cumulative surpluses, including interest earnings, of various government programs that have been invested in Treasury securities.

Historically, the U.S. public debt as a share of gross domestic product (GDP) increases during wars and recessions and then subsequently declines. The ratio of debt to GDP may decrease as a result of a government surplus or via growth of GDP and inflation. The Congressional Budget Office (CBO) estimated in February 2024 that Federal debt held by the public is projected to rise from 99 percent of GDP in 2024 to 116 percent in 2034, and would continue to grow if current laws generally remained unchanged. Over that period, the growth of interest costs and mandatory spending outpaces the growth of revenues and the economy, driving up debt. Those factors persist beyond 2034, pushing federal debt higher still, to 172 percent of GDP in 2054.^[3] In recent decades, aging demographics and rising healthcare costs have led to concern about the long-term sustainability of the federal government's fiscal policies.^[4] The aggregate, gross amount that Treasury can borrow is limited by the United States debt ceiling.^[5]

During the COVID-19 pandemic, the federal government spent trillions in virus aid and economic relief. The Congressional Budget Office (CBO) estimated that the budget deficit for fiscal year 2020 would increase to $3.3 trillion or 16% GDP, more than triple that of 2019 and the largest as % GDP since 1945.^[6] In December 2021, debt held by the public was estimated at 96.19% of GDP, and approximately 33% of this public debt was owned by foreigners (government and private).^[7] The United States has the largest external debt in the world. The total number of U.S. Treasury securities held by foreign entities in December 2021 was $7.7 trillion, up from $7.1 trillion in December 2020.^[8]

Total US federal government debt breached the $30 trillion mark for the first time in history in February 2022.^[9] As of December 2023, total federal debt was $33.1 trillion; $26.5 trillion held by the public and $12.1 trillion in intragovernmental debt.^[10] The annualized cost of servicing this debt was $726 billion in July 2023, which accounted for 14% of the total federal spending.^[11] In February 2024, the total federal government debt grew to $34.4 trillion after having grown by approximately $1 trillion in both of two separate 100-day periods since the previous June.^[12] By November 2024, the debt had grown to $36 trillion.^[13][11]