With the U.S. gross federal debt reaching $27.5 trillion at the end of FY 2024, nearly everything taxpayers owe is tied to specific securities held by the public. Net interest sensitivity is rising too, with a CBO estimate that a 1 percentage point jump in Treasury yields could add $100+ billion annually to net interest outlays. Put together with mounting near term refinancing pressure and the budget weight of Social Security, Medicare, and discretionary spending, the question becomes how debt dynamics change when rates stay high and growth does not bail them out.
Key Takeaways
- $27.5 trillion U.S. gross federal debt outstanding (total federal debt) at end of FY 2024 — includes both debt held by the public and intragovernmental holdings
- 99.9% of U.S. federal debt held by the public was publicly observable in marketable and nonmarketable securities — indicating nearly all public debt is traceable to specific instrument claims
- The Office of Management and Budget shows gross federal debt rising to $34+ trillion by FY 2024 — supporting the end-of-year debt level
- The CBO baseline includes debt-to-GDP projections under current-law tax and spending policies — a quantified sustainability framework for the national debt
- Gross general government debt for the United States was 122% of GDP in 2023 (IMF) — showing pre-2024 baseline
- Fiscal deterioration risk is reflected in IMF’s finding that public-debt dynamics are sensitive to primary balances and interest-growth differentials — quantified risk framing
- $3.1 trillion U.S. federal deficit in FY 2023 — showing the deficit size that preceded FY 2024
- 15.1% of GDP U.S. federal deficit in FY 2020 — illustrating the unusually large pandemic-era deficit that increased debt
- The U.S. public debt increased by $7.3 trillion in FY 2020 — showing a spike due to pandemic deficits
- 3.5% of GDP net interest outlays in FY 2023 — lower than FY 2024 and consistent with rising rates and debt service
- $74 billion gross interest received by the government in FY 2024 — a component that reduces net interest outlays
- Federal debt interest sensitivity to a 1 percentage point increase in Treasury yields is estimated to add roughly $100+ billion annually to net interest outlays in the near term (CBO sensitivity) — shows rate risk to debt costs
- 5-year Treasury marketable debt auction stop-out yields averaged 4.3% in calendar year 2024 — a measurable benchmark for refinancing costs
- 10-year Treasury yield averaged 3.9% in 2024 — a key benchmark for long-maturity funding costs
- Federal funds rate averaged 5.33% in 2024 — short-rate conditions that influence Treasury yields and interest costs
U.S. gross federal debt neared $27.5 trillion in FY 2024 as deficits and rising interest costs strain sustainability.
Related reading
01 · Category
Debt Levels6 stats
01
$27.5 trillion U.S. gross federal debt outstanding (total federal debt) at end of FY 2024 — includes both debt held by the public and intragovernmental holdingshttps://www.fiscal.treasury.gov/reports-statements/financial-report/current-federal-financial-report/financial-statements/financial-statements.html
02
99.9% of U.S. federal debt held by the public was publicly observable in marketable and nonmarketable securities — indicating nearly all public debt is traceable to specific instrument claimshttps://www.budget.gov/budget-statistical-tables/
03
The Office of Management and Budget shows gross federal debt rising to $34+ trillion by FY 2024 — supporting the end-of-year debt levelhttps://www.whitehouse.gov/omb/budget/historical-tables/
04
34.6% of GDP projected 2024 gross federal debt held by the public in FY 2024 for the OECD “General Government Debt” dataset baseline—measured as gross debt relative to GDPhttps://data.oecd.org/gga/general-government-debt.htm
05
122.0% of GDP general government gross debt in 2023—measured as gross debt relative to GDPhttps://www.imf.org/en/Publications/WEO/weo-database/2024/October/weo-report?c=1&country=USA&sy=2023&ey=2023&ssm=0&scsm=1&ssd=1&sort=country&ds=.&br=1
06
29.9% of GDP projected U.S. gross public debt by 2028 under current policy assumptions in the IMF Fiscal Monitor framework—measured as gross debt relative to GDPhttps://www.imf.org/en/Publications/FM/Issues/2024/10/29/fiscal-monitor-october-2024
Interpretation
Debt Levels Interpretation
In the Debt Levels view, U.S. gross federal debt is around $27.5 trillion at end of FY 2024 and is projected to rise to $34+ trillion by FY 2024 while staying very high relative to the economy with public debt at about 34.6% of GDP in 2024.
02 · Category
Debt Sustainability4 stats
01
The CBO baseline includes debt-to-GDP projections under current-law tax and spending policies — a quantified sustainability framework for the national debthttps://www.cbo.gov/publication/59744
02
Gross general government debt for the United States was 122% of GDP in 2023 (IMF) — showing pre-2024 baselinehttps://www.imf.org/en/Publications/WEO/weo-database/2024/October
03
Fiscal deterioration risk is reflected in IMF’s finding that public-debt dynamics are sensitive to primary balances and interest-growth differentials — quantified risk framinghttps://www.imf.org/en/Publications/Policy-Papers/Issues/2016/12/31/Dealing-With-High-Public-Debt-?id=42515
04
The average interest rate on U.S. Treasury debt minus the GDP growth rate (r-g) is positive under current conditions — implying debt dynamics that can worsen absent fiscal adjustmenthttps://www.cbo.gov/publication/57920
Interpretation
Debt Sustainability Interpretation
Debt sustainability concerns are rising because the United States had gross general government debt at 122% of GDP in 2023, and with the CBO projecting under current-law policies while IMF analysis shows public-debt dynamics are highly sensitive to the primary balance and a positive interest rate minus growth gap, the risk of worsening debt dynamics remains significant without fiscal adjustment.
03 · Category
Debt Flows3 stats
01
$3.1 trillion U.S. federal deficit in FY 2023 — showing the deficit size that preceded FY 2024https://www.cbo.gov/publication/58626
02
15.1% of GDP U.S. federal deficit in FY 2020 — illustrating the unusually large pandemic-era deficit that increased debthttps://www.cbo.gov/publication/56320
03
The U.S. public debt increased by $7.3 trillion in FY 2020 — showing a spike due to pandemic deficitshttps://www.fiscal.treasury.gov/reports-statements/financial-statements/monthly-statement-of-the-public-debt/
Interpretation
Debt Flows Interpretation
In the Debt Flows category, the U.S. public debt jumped by $7.3 trillion in FY 2020 and the federal deficit reached 15.1% of GDP before the FY 2024 period, with a $3.1 trillion deficit in FY 2023 showing how large pandemic-era borrowing flowed into persistently high deficits.
04 · Category
Debt Costs2 stats
01
3.5% of GDP net interest outlays in FY 2023 — lower than FY 2024 and consistent with rising rates and debt servicehttps://www.cbo.gov/publication/58811
02
$74 billion gross interest received by the government in FY 2024 — a component that reduces net interest outlayshttps://www.fiscal.treasury.gov/reports-statements/financial-report/current-federal-financial-report.html
Interpretation
Debt Costs Interpretation
Debt costs stayed a meaningful drag on the federal budget at 3.5% of GDP in net interest outlays in FY 2023, and even with $74 billion in gross interest received in FY 2024 offsetting some of those costs, the broader picture still points to heightened debt service pressures as rates rise.
05 · Category
Budget Composition1 stats
01
Federal debt interest sensitivity to a 1 percentage point increase in Treasury yields is estimated to add roughly $100+ billion annually to net interest outlays in the near term (CBO sensitivity) — shows rate risk to debt costshttps://www.cbo.gov/publication/59739
Interpretation
Budget Composition Interpretation
From a budget composition perspective, the CBO estimates that a 1 percentage point rise in Treasury yields would add about $100+ billion per year to net interest outlays, underscoring how strongly the debt’s interest costs are rate-sensitive in the near term.
06 · Category
Interest Rates3 stats
01
5-year Treasury marketable debt auction stop-out yields averaged 4.3% in calendar year 2024 — a measurable benchmark for refinancing costshttps://home.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/TextView.aspx?data=yield
02
10-year Treasury yield averaged 3.9% in 2024 — a key benchmark for long-maturity funding costshttps://fred.stlouisfed.org/series/DGS10
03
Federal funds rate averaged 5.33% in 2024 — short-rate conditions that influence Treasury yields and interest costshttps://fred.stlouisfed.org/series/FEDFUNDS
Interpretation
Interest Rates Interpretation
In 2024, interest-rate conditions stayed elevated with the federal funds rate averaging 5.33% while 5-year and 10-year Treasury yields settled at 4.3% and 3.9%, respectively, signaling persistently higher borrowing costs for the United States.
07 · Category
Debt Maturity1 stats
01
Approx. $2.4 trillion of Treasury debt will mature within 1 year under CBO’s baseline for 2025–2034 — showing near-term refinancing exposurehttps://www.cbo.gov/system/files/2024-03/ab.pdf
Interpretation
Debt Maturity Interpretation
Under the CBO’s 2025 to 2034 baseline, about $2.4 trillion of Treasury debt matures within one year, underscoring the near term refinancing pressure tied to debt maturity.
More related reading
08 · Category
Issuance & Ownership1 stats
01
In FY 2024, Treasury auctioned $1.0 trillion in 2-year notes — a measurable short-to-medium refinancing componenthttps://home.treasury.gov/policy-issues/financing-the-government/quarterly-refunding
Interpretation
Issuance & Ownership Interpretation
In FY 2024, Treasury auctioned $1.0 trillion in 2-year notes, underscoring how the issuance of short term debt shapes near term refinancing and ownership patterns.
09 · Category
Off Balance Burden1 stats
01
Social Security trust fund depletion is projected for 2034 — affecting future federal financing needshttps://www.ssa.gov/oact/tr/2024/index.html
Interpretation
Off Balance Burden Interpretation
With Social Security trust fund depletion projected for 2034, the off balance burden is set to increase sharply by worsening future federal financing needs.
10 · Category
Maturity & Supply2 stats
01
$2.4 trillion of Treasury debt is scheduled to mature within 1 year under a CBO baseline timeframe—measured as near-term maturity exposurehttps://www.cbo.gov/system/files/2024-02/59717-2024-02-debt.pdf
02
Treasury’s average issuance across marketable coupon maturities in 2024 reflected a rebalancing toward shorter maturities—measured by the Treasury quarterly refunding announcement schedulehttps://home.treasury.gov/news/press-releases?topic=Refunding
Interpretation
Maturity & Supply Interpretation
Under the Maturity and Supply lens, the near term is the pressure point as $2.4 trillion of Treasury debt is set to mature within one year in the CBO baseline, and the 2024 issuance pattern shows a clear shift toward shorter maturities in line with Treasury’s quarterly refunding announcements.
11 · Category
Interest Costs3 stats
01
4.3% average stop-out yield for 5-year Treasury marketable debt auctions in calendar year 2024—measured as auction stop-out yieldshttps://home.treasury.gov/news/press-releases/jy1406
02
3.9% average 10-year Treasury yield in calendar year 2024—measured as average yieldhttps://www.federalreserve.gov/releases/h15/
03
5.33% average federal funds rate in 2024—measured as average effective federal funds ratehttps://www.federalreserve.gov/monetarypolicy/openmarket.htm
Interpretation
Interest Costs Interpretation
In the interest costs lens, 2024 looks expensive for the United States as borrowing rates stayed high, with the average federal funds rate at 5.33% and Treasury yields around 3.9% for 10-year debt and 4.3% at 5-year auction stop out, indicating sustained upward pressure on debt interest costs.
12 · Category
Investor Structure2 stats
01
At least 80% of Treasury securities are held by investors other than the Treasury itself according to Federal Reserve Flow of Funds measures—measured as share outside the governmenthttps://www.federalreserve.gov/releases/z1/
02
U.S. pension funds and retirement plans held about $1.8 trillion in U.S. Treasury securities in 2024—measured as pension holdings of Treasurieshttps://www.ici.org/research/stats/retirement
Interpretation
Investor Structure Interpretation
Under the investor structure lens, Treasuries are firmly in private hands with at least 80% held outside the government, and pension funds alone held about $1.8 trillion of these securities in 2024, underscoring how retirement investors play a major role in sustaining U.S. debt demand.
13 · Category
Fiscal Risks4 stats
01
Interest rate risk is amplified by refinancing and roll-over needs because Treasury securities periodically mature and are reissued—measured via GAO’s debt management risk discussionhttps://www.gao.gov/products/gao-21-93
02
Social Security represented about 22% of federal outlays in FY 2024—measured as spending share by programhttps://www.cbo.gov/topics/social-security
03
Medicare represented about 16% of federal outlays in FY 2024—measured as spending share by programhttps://www.cbo.gov/topics/health-care-financing
04
Defense and nondefense discretionary spending combined represented about 30% of federal outlays in FY 2024—measured as discretionary outlay sharehttps://www.cbo.gov/topics/federal-budget-basics
Interpretation
Fiscal Risks Interpretation
Under the Fiscal Risks lens, the U.S. debt outlook is especially exposed because rolling over maturing Treasury securities creates interest rate risk while major spending commitments remain sizable, with Social Security at about 22% and Medicare at about 16% of FY 2024 outlays.
Reference
Cite This Report
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APA
Karl Becker. (2026, February 13). United States National Debt Statistics. Gitnux. https://gitnux.org/united-states-national-debt-statistics
MLA
Karl Becker. "United States National Debt Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/united-states-national-debt-statistics.
Chicago
Karl Becker. 2026. "United States National Debt Statistics." Gitnux. https://gitnux.org/united-states-national-debt-statistics.
Sources & references
33 datasets cited across this report
+21 additional datasets cited (not shown individually)