The Congressional Budget Office projects that the U.S. federal budget deficit will swell to approximately $2.1 trillion by the fiscal year 2026 as government expenditures rise at a pace that outstrips tax revenue. As of the first ten months of the current fiscal year, the deficit has already reached nearly $1.8 trillion, marking an increase of about $169 billion from the same period last year. This surge is primarily driven by a $308 billion rise in federal spending, which has not been matched proportionately by the $139 billion increase in tax receipts.
A significant factor contributing to the expanding deficit is the escalating interest costs on the national debt. During the first ten months, interest payments surged by $117 billion, or 14%, compared to the previous year. Meanwhile, spending on major government programs also saw notable increases, with Social Security expenditures up by $70 billion, Medicare by $66 billion, and Medicaid by $45 billion.
While there has been an uptick in individual and payroll tax collections, corporate tax revenue has seen a sharp decline. Additionally, tariff revenues have been impacted by refunds, which has further constrained the government’s overall income. This imbalance between rising expenditures and sluggish revenue growth is a central concern for fiscal policymakers.
The CBO anticipates that government spending will remain largely in line with previous forecasts. However, it now estimates that revenue will be about $200 billion less than earlier projections. This adjustment in revenue estimates signals increasing worries about the sustainability of U.S. government borrowing and the implications for the national debt, which continues to climb.