US Debt Hits $38.8 Trillion as Growth Rate Accelerates Above 7%

The national debt just crossed $38.8 trillion and is now growing at its fastest pace in over a year, expanding 7.03% year-over-year compared to roughly 5-6% growth rates we saw through most of 2025. That’s an extra $2.5 trillion in debt compared to this time last year — more than the entire GDP of most countries.

Here’s what’s interesting: debt is accelerating even as the economy appears to be on solid footing. Typically, debt growth surges during recessions when tax receipts collapse and spending on unemployment benefits spikes. But we’re seeing this expansion during what looks like continued economic growth, suggesting either rising spending commitments or declining tax efficiency — neither particularly encouraging for long-term fiscal health.

This puts us in uncharted territory. Debt-to-GDP is likely approaching 130%, well above the 90-100% threshold that historically correlates with slower economic growth. The real constraint isn’t the debt level itself — it’s the interest burden. With rates still elevated from the Fed’s hiking cycle, the government is paying significantly more to service this debt than it did during the zero-rate era. That’s money not going to productive investment or tax relief.

Many professional investors view rising debt-to-GDP ratios as a long-term headwind for bond markets, particularly at the longer end of the curve. Historically, periods of accelerating debt growth have led investors to demand higher yields on 10-year and 30-year Treasuries as compensation for inflation and fiscal risks. Currency-hedged international exposure also tends to come into focus when fiscal sustainability questions arise.

Bottom Line: The debt spiral is accelerating at exactly the wrong time — when servicing costs are high and growth tailwinds may be fading. The question isn’t whether this is sustainable, but how long markets will pretend it is.

Source: US Treasury Fiscal Data

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