US Debt Nears $40 Trillion as Fiscal Spiral Deepens

The United States federal government is days away from crossing a historic threshold: $40 trillion in national debt. As of August 11, the Treasury Department’s official tally stood at $39,941,929,832,070.77, leaving just $58 billion to reach the milestone — a figure projected to be surpassed before Labor Day, according to 24/7 Wall St..

The acceleration is staggering. The first trillion dollars took 192 years to accumulate, from the founding of the federal government in 1789 to 1981. The most recent trillion — from $39 trillion to $40 trillion — took roughly five months. The debt crossed $39 trillion on March 20, 2026, and has been growing at approximately $6.5 billion per day since.

A Self-Reinforcing Debt Spiral

Analysts describe the situation as building a skyscraper on quicksand. As Xinhua News reported in its analysis published Saturday, to keep the building from collapsing, one can only throw new sandbags into the already loose foundation — using new sand to fill old sand to support the teetering system.

The mechanism driving this spiral is now well understood. Debt expansion pushes up interest costs. High interest costs force new debt issuance. New debt issuance raises yields. And high yields make interest costs even worse. This vicious cycle has become increasingly difficult to break.

A key symptom is the Treasury’s growing reliance on short-term debt. US short-term Treasury bills now account for approximately 22% of marketable Treasury debt — above the 15-20% range recommended by the Treasury Borrowing Advisory Committee. While short-term bills carry lower interest rates, they require more frequent refinancing, exposing the government to market volatility and making the Treasury increasingly dependent on the financial markets’ ability to absorb new issuance on a weekly, even daily, basis.

Meanwhile, long-term borrowing costs have reached levels not seen in a generation. The Treasury sold $25 billion of 30-year bonds on August 13 at a yield of 5.216% — the highest since 2001, as PrimeRates reported. The 30-year yield has remained above 5.2%, locking in higher financing costs for decades to come.

Interest Costs Surpass $1 Trillion

The federal government spent $1.170 trillion servicing the national debt in the first 10 months of fiscal year 2026 — exceeding the $1.133 trillion paid in all of fiscal 2024 and surpassing defense spending for the first time, according to PrimeRates. Every $5 of federal tax revenue, approximately $1 now goes directly to interest payments — roughly 26% of federal revenue, up from just 9% in the zero-interest era.

“Investors are being asked to absorb a growing supply of government debt globally at a time when deficits remain large, inflation uncertainty persists,” said Michal Stanczyk, portfolio manager at Allspring Global Investments, as The Guardian reported. “If investors continue demanding greater compensation for inflation and fiscal risks, long-term yields could move higher and away from 5% even if Treasury auctions remain well covered.”

The market is increasingly separating inflation concerns from fiscal concerns. “Inflation pressure may be cooling, but fiscal pressure is not,” said Stephen Innes, global strategist at Quintex Intel. “Heavy Treasury issuance, persistent deficits, and a growing wave of corporate borrowing tied to the AI buildout mean the long end is carrying a different backpack than the front end.”

The One Big Beautiful Bill Act’s Legacy

The current trajectory was accelerated by the One Big Beautiful Bill Act, signed into law on July 4, 2025. The legislation raised the debt ceiling by $5 trillion to approximately $41.1 trillion and is projected to add $3.3 trillion to the national debt over a decade, as NBC News reported. With debt at $39.94 trillion, the US has roughly $1.16 trillion of headroom before hitting the new ceiling — providing about six months of runway at the current borrowing pace.

July alone added $432 billion to the debt — about $14 billion per day, according to Maya MacGuineas, president of the Committee for a Responsible Federal Budget. “That’s $14 billion per day,” she said, as reported by 24/7 Wall St.

Total federal debt now stands at approximately 124% of GDP, with debt held by the public at 101% — the highest since World War II, when the record was 106.1% in 1946. The Congressional Budget Office projects debt held by the public will reach 120% by 2036 and 175% by 2056, according to statisticsoftheworld.com.

Foreign Investors Retreat, Gold Rises

The international dimension of the crisis is equally concerning. Foreign investors’ share of US debt has fallen from approximately 50% in 2012 to about 30% in 2026, according to 21jingji/Qidian News. China’s holdings fell from a peak of $1.316 trillion in 2013 to $651.1 billion by April 2026 — a decline of over 50% and the lowest since 2008, with 21 consecutive months of net selling. Japan sold $66.8 billion in May 2026 alone.

Over 55% of newly issued US debt is now absorbed by US domestic banks, money market funds, pension funds, and insurance companies. This domestic absorption carries its own risks — as the 2023 Silicon Valley Bank collapse demonstrated, banks holding long-dated Treasury securities at book value can face sudden, catastrophic losses when forced to sell.

The shifting global reserve landscape is telling. Gold’s share of global official reserves rose to 27% by the end of 2025, surpassing US debt at 22% — the first time since 1996. Global central banks purchased 288.9 tons of gold in Q2 2026, up 62% year-over-year. Meanwhile, the dollar’s share of global foreign exchange reserves has fallen from 72% in 2001 to below 57% in 2026, the lowest in 30 years.

What to Watch For

The debt is projected to cross $40 trillion before Labor Day, and interest costs for fiscal year 2026 are expected to reach $1.37-1.40 trillion by September 30. The next debt ceiling confrontation looms in early 2027.

The wantonly expanding US debt is like a grey rhino, ready to impact global economic and financial stability at any time, as the Xinhua analysis warned. The market is watching whether this tightened spring will snap. With long-term yields at 25-year highs, foreign investors retreating, and interest costs consuming an ever-larger share of federal revenue, the structural forces driving America’s fiscal quagmire show no signs of abating.

As the analysis concluded, the Treasury borrows, the Fed provides a backstop, and the debt market bears the pressure. This left-hand-to-right-hand cycle has become increasingly unable to resolve the fiscal predicament facing the United States — and the consequences extend far beyond Washington.