The US national debt, tracked daily via Treasury's Debt to the Penny, recently crossed $39 trillion gross in March 2026 before minor intragovernmental fluctuations brought it to $38.91 trillion as of early May, yet CBO's February baseline projects a $1.9 trillion fiscal year 2026 deficit—equivalent to 5.8 percent of GDP—fueling steady growth toward 120 percent of GDP by 2036 amid rising interest costs topping $1 trillion annually. Persistent deficits stem from outlays exceeding revenues, with April 2026 marking a $955 billion cumulative shortfall in the first seven months of FY2026, lower than prior year but still expansionary. No major fiscal reforms or budget reconciliation have reversed the trajectory; FY2026 appropriations remain contentious post-midterm dynamics under the Trump administration. Traders eye monthly Treasury statements, September FY-end, November 2026 midterms, and a projected 2027 debt ceiling crunch for any surplus signals, though historical precedents show surpluses rare outside economic booms.