AI Data Insight
The year-over-year growth rate of U.S. fiscal spending in Q3 2026 dropped sharply to -23.55%, forming a stark contrast with the previous value of 21.71% and marking a recent low in single-month declines. In-depth analysis reveals that this plunge was primarily driven by temporary factors such as the calendar shifts of welfare distributions and reduced tariff refunds. Despite the brief cooling of the data, the U.S. national debt has surpassed $40 trillion, and the long-term structural risk of deficit expansion remains severe.