Debt limit
The debt limit, and the room left under it
The statutory limit is $41.10 trillion. As of October 27, 2026, $40.38 trillion of debt counted against it, leaving $720.21 billion of room.
What this shows
Three numbers here are routinely confused, and the confusion runs in a useful direction. The first is the statutory limit itself, the ceiling written into law. The second is the debt subject to that limit. The third is the headline total public debt. The ceiling applies to the middle one, which sits a little below the total because a small slice of federal debt is exempt from it.
That gap is only a couple of hundred billion dollars, but it is the difference between an accurate reading of the room left and one that understates it. Most headlines compare the ceiling against the total, which is the wrong pair. This page compares it against the right one, and says which is which.
One more thing worth knowing before the numbers: the limit does not constrain spending. It constrains paying for spending already approved. That is why raising it authorises nothing new, and why the argument around it is about payment rather than about policy.
Statutory debt limit
$41.10 trillion
set by law, October 27, 2026
Debt subject to the limit
$40.38 trillion
total public debt less the part that is exempt
Room remaining
$720.21 billion
about 85 days at the recent pace
Debt against the limit
Debt subject to the limit, against the statutory limit itself, each business day. Where the two lines meet, the ceiling binds.
Room under the limit, day by day
Source: US Treasury, Daily Treasury Statement Table III-C, Debt Subject to Limit. Values published in millions and shown here in dollars. During a suspension the statutory limit is not published, so that line breaks.
Common questions
What is the US debt limit?
It is the statutory ceiling on how much the Treasury may borrow, currently $41.10 trillion (98.2% of it already used as of October 27, 2026). It is a limit on borrowing, not on spending. The spending it pays for was approved separately and earlier.
How much room is left under the debt limit?
About $720.21 billion as of October 27, 2026, the gap between the statutory limit of $41.10 trillion and the $40.38 trillion of debt that is subject to it. The Treasury also holds cash that it can spend before it runs out of room, which is why the cash balance is watched alongside the headroom.
Is the debt limit the same as the national debt?
No, and they differ by a couple of hundred billion dollars. The limit applies to debt subject to limit, which is slightly lower than the headline total because a small slice of federal debt is not subject to it. As of October 27, 2026 the total stood at $40.58 trillion while the subject-to-limit figure was $40.38 trillion. Comparing the ceiling against the total, as headlines often do, understates the room left.
When will the US hit the debt limit?
At the pace of the last 90 days, the current room would be exhausted in roughly 85 days, which points at January 20, 2027. That is an estimate from a short window, not a projection: borrowing is not smooth, tax receipts move the date in both directions, and the Treasury has accounting measures that buy extra weeks once the limit binds.
What the ceiling does and why it exists is explained in the debt ceiling explainer. The debt it applies to, year by year, is on debt by year, and what it costs to carry is on interest on the debt.