Total public debt outstanding reached $40,305,316,210,829.72 on October 8, 2026, the first reading ever above $40.3 trillion and up $133.49 billion in six business days.

Treasury's blended rate on all interest bearing federal debt reached 3.531% on September 30, the highest since April 2009, while new 30-year bonds cleared 5.618%.

The federal debt grew $2.46 trillion in fiscal 2026 and closed at $40.097 trillion, the first fiscal year to end above $40 trillion. Here is what it costs.

Core PCE inflation held at 3.0% in August while consumer spending jumped 0.9% and the saving rate fell to 4.1%, leaving the Fed a split signal before the October FOMC meeting.

Every Treasury maturity from three years out to 30 years closed at or above 5.00% on September 28, 2026, the first time since July 2007. The 10-year reached 5.24%.

Federal interest expense reached $1,267.8 billion in eleven months of fiscal 2026, topping all of fiscal 2025, as the average rate on Treasury debt hit a 17-year high.

Treasury raised four bill auction sizes on September 24 and will sell $316 billion on Monday and Tuesday, $18 billion more than the same four tenors raised at their most recent sales.

The 30-year Treasury yield closed at 5.47 percent on September 24, the highest since June 2004, as real yields rather than inflation expectations drove the selloff.

The Congressional Budget Office said federal debt held by the public would reach 222 percent of GDP in 2056 if interest rates run one percentage point above its baseline, against 175 percent in the baseline itself.