The US national debt continues rising due to persistent federal budget deficits driven by mandatory spending on entitlements, defense outlays, and growing interest payments that now exceed $1 trillion annually. Congressional decisions on appropriations bills, continuing resolutions, and any debt ceiling adjustments set the pace of new borrowing through the Treasury, with the total outstanding amount hitting fresh records in recent months. Economic factors such as GDP growth, tax revenue collections, and inflation influence the deficit trajectory, while fiscal year 2027 budget negotiations scheduled for later in 2026 represent the next major legislative window that could alter spending or revenue levels. Without policy shifts producing sustained surpluses, the debt level is unlikely to stabilize before the 2027 threshold.