Official Treasury data · updated each business day

Current U.S. national debt

The exact confirmed amount, the transparent live projection, and the most recent daily changes—shown separately so an estimate is never mistaken for an official record.

Treasury data delayed — projecting from 11 September 2026

The last confirmed U.S. national debt was $40,046,178,322,793, recorded 11 September 2026by the U.S. Treasury.

Last confirmed by the U.S. Treasury$40,046,178,322,793

Debt to the Penny · 11 September 2026

How this is calculated →
Make the sourced number easier to find.
Latest daily change−$1.55 billion2026-09-10 to 2026-09-11
30 publications+$275 billionNet change, not an estimate
Projection rate$4.77 billion/dayTrailing, outlier-filtered average

Recent Treasury record

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Recent U.S. national debtConfirmed Treasury totals from 2026-07-31 through 2026-09-11.
07-3109-11
DateDaily changeTotal debt
11 September 2026−$1.55 billion$40,046,178,322,793
10 September 2026−$26.6 billion$40,047,726,949,770
9 September 2026−$9.81 billion$40,074,284,925,787
8 September 2026−$10.5 billion$40,084,090,785,446
4 September 2026−$8.37 billion$40,094,590,636,302
3 September 2026−$14.1 billion$40,102,964,278,586
2 September 2026+$4.58 billion$40,117,045,127,073
1 September 2026−$63.2 billion$40,112,464,593,206
31 August 2026+$71.5 billion$40,175,641,071,634
28 August 2026+$26.6 billion$40,104,097,482,667

Source: U.S. Treasury, Debt to the Penny. Daily changes can be negative because Treasury cash operations do not move in a smooth line.

Questions about today’s debt

What is the current U.S. national debt?

The latest confirmed Treasury total is $40,046,178,322,793, dated 11 September 2026. The large clock projects forward between Treasury publications.

Is this an official government website?

No. The Debt Clock is independent. The confirmed total comes from the U.S. Treasury Debt to the Penny dataset, which is linked beside every current figure.

Why does the live number differ from the Treasury total?

Treasury publishes a confirmed daily total on business days. The live number is a clearly labelled projection between publications; the confirmed amount remains visible underneath.

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