The U.S. Government Is Spending $88 Billion a Month in Interest on National Debt—Equal to Spending on Defense and Education Combined

Why It Matters

Debt‑service costs now consume a budget share comparable to major federal programs, limiting fiscal flexibility and pressuring policymakers to address unsustainable borrowing.

Key Takeaways

• Interest payments hit $88 B monthly.
• Debt service equals defense plus education spending.
• Interest rose 7% year‑over‑year.
• Deficit remains $1.2 T for six months.
• Calls for reducing debt‑to‑GDP to 3%.

Pulse Analysis

The latest Congressional Budget Office (CBO) update underscores how the United States’ mounting national debt is translating into a staggering fiscal burden. With the debt now hovering above $39 trillion, the Treasury disbursed roughly $529 billion in net interest during the first six months of FY2025‑26—equivalent to about $88 billion each month. This level of interest expense rivals the combined outlays for the Department of Defense and the Department of Education, illustrating how debt service has moved from a line‑item concern to a core component of the federal budget.

The surge in interest costs is not merely a bookkeeping anomaly; it erodes discretionary spending capacity and forces policymakers to choose between essential programs and debt reduction. Higher long‑term rates, which the CBO attributes to a tighter credit environment, amplified the monthly outflow, while short‑term rate declines only partially offset the rise. With a $1.2 trillion deficit recorded for the first half of the fiscal year, the government must borrow over $2 trillion for the full year, intensifying the debt‑service spiral and raising concerns about fiscal sustainability.

Analysts warn that persistent high‑interest payments could crowd out investment in infrastructure, education, and social safety nets, undermining long‑term growth prospects. The Treasury’s financing needs may push yields higher, influencing borrowing costs for corporations and municipalities. Consequently, investors are monitoring the debt‑to‑GDP ratio, which the Committee for a Responsible Federal Budget urges to fall from the current 6% to a more manageable 3%. Policy options range from targeted spending cuts to revenue reforms, but any credible plan will need bipartisan support to break the feedback loop between rising debt and escalating interest obligations.