Congress will likely need to increase the national debt limit by New Year’s Day 2028.
The federal government is likely to reach the statutory debt limit by May 2027, although the contact date could come as early as February or as late as July 2027. Reaching the debt limit would not immediately prevent the government from paying its bills. The U.S. Department of the Treasury would be able to continue meeting federal obligations for several months by using incoming receipts, existing cash on hand, and extraordinary measures.
The X-Date, when the Treasury would no longer have sufficient fiscal resources to make all required payments on time, will likely occur by February 2028. Congress should not wait until the X-Date to act. To preserve a prudent buffer of available fiscal resources, Congress will likely need to increase the debt limit by January 1, 2028, if not earlier.
Congress Will Need to Increase the Debt Limit by 2028 | ||
Debt Limit Contact | Prudential Congressional Action Date | X-Date |
May 2027 | January 2028 | February 2028 |
Source: Author calculations based on data from Treasury and CBO. Dates represent central projections. | ||
The Debt Limit Will Likely Be Reached in Spring or Summer of 2027
The One Big Beautiful Bill Act (OBBBA) increased the debt limit to $41.104 trillion. Since that $5 trillion debt limit increase was enacted on July 4, 2025, debt subject to the limit has already risen by $3.6 trillion to about $39.7 trillion. That leaves under $1.4 trillion of headroom below the statutory debt limit as of August 10, 2026.
Based on projected borrowing needs, the debt limit will most likely be reached in May 2027.
These projections are based on data reported in the Treasury’s monthly and daily statements, the Treasury’s quarterly refunding estimates, the Congressional Budget Office’s (CBO) baseline projects of outlays, revenues, and deficits, historical seasonality of the budget, and historical patterns during recent debt limit suspension periods.
There is considerable uncertainty about when the debt limit and X-Date will be reached, and estimates will change as new information becomes available. Many fiscal, economic, and administrative variables affect the timing of the debt limit, as well as the X-Date. Under the central projection, debt subject to the limit approaches within $50 billion of the statutory limit in March 2027 before temporarily falling as April tax receipts arrive. If deficits are higher than anticipated or the Treasury issues additional debt to build its cash balance ahead of debt limit contact, the debt limit could be reached as soon as February 2027. If deficits and borrowing are lower than anticipated, the debt limit might not be reached until July 2027. Access to a one-time extraordinary measure available on June 30 would provide a strong incentive for the Treasury Secretary to declare the debt issuance suspension period before that date.
The X-Date Arrives Several Months After Reaching the Debt Limit
Once the debt reaches the statutory limit, the Treasury Secretary will declare a “debt issuance suspension period.” During the debt issuance suspension period, the Treasury may not increase debt subject to the statutory limit, although maturing debt can still be rolled over.
The Treasury is still able to make timely payments on the government’s obligations for a limited period using incoming receipts, existing cash on hand, and “extraordinary measures” that temporarily reduce certain types of intragovernmental debt and allow additional cash to be raised. The Treasury’s cash on hand and extraordinary measures will likely provide more than $1 trillion of available fiscal resources at the time the debt limit is reached.
The X-Date is the point at which the Treasury would no longer have sufficient resources to pay all federal obligations on time. The Treasury requires additional borrowing authority to be able to pay its bills.
The X-Date is likely to be reached in February 2028, when projected cash on hand and available extraordinary measures would be exhausted. To ensure a prudent buffer of fiscal resources does not fall below $100 billion, Congress would likely need to increase the debt limit by January 1, 2028.
If deficits increase above the baseline projections, the X-Date would occur earlier. For example, legislation that increases the deficit by $10 billion per month could push the X-Date to January, 2028.
Congress Should Responsibly Pair the Debt Limit Increase with Spending Restraint
Last month, President Donald J. Trump called on Congress to address the debt limit before the August 2026 recess. Senate Majority Leader John Thune (R-SD) indicated the debt limit could instead be considered in the lame-duck session after the November election.
The debt limit will eventually need to be increased, although the issue is not yet urgent. While the debt limit is likely to be reached by May 2027, the X-Date is not projected until February 2028. Congress should plan to act by January 2028.
Reaching the debt limit should serve as a wake-up call for policymakers to address the unsustainable spending that has driven the debt to record-high levels. Over the last four decades, debt limit legislation has helped facilitate several significant agreements to reduce federal spending or deficits. The OBBBA was an example of pairing the debt limit increase with responsible reforms that slowed the growth of federal spending.
Congress should responsibly increase the debt limit but ensure that it is paired with prudent policy reforms that put federal spending on a more sustainable path.