**[U.S. Fiscal Year 2026 Budget Deficit Reaches $1.99 Trillion, Hits Five-Year High]** Reported by Golden Finance, on October 17, data released by the U.S. Department of the Treasury on October 16 shows that as of September 30, the fiscal year 2026 budget deficit in the United States expanded by $217 billion year-on-year to $1.99 trillion, marking the highest level since fiscal year 2021 and the third-largest annual budget deficit in history. In fiscal year 2026, U.S. government revenue reached a record $5.40 trillion, up 3% year-on-year, while government spending hit a record $7.40 trillion, up 6% year-on-year. Among this, debt servicing expenditures increased by 12% year-on-year to a record $1.36 trillion. Additionally, the U.S. Supreme Court previously ruled to overturn most of the tariffs implemented by the Trump administration, resulting in $145 billion in tariff refunds during fiscal year 2026. Net tariff revenue decreased by 11% year-on-year to approximately $173 billion. The U.S. Department of the Treasury estimates that the fiscal year 2026 budget deficit will account for 6.2% of GDP, higher than the previous fiscal year's 5.8%. The budget deficit for the single month of September was $27 billion, compared to a surplus of $198 billion in the same period last year.