U.S. Debt Interest Payments Reach $1 Trillion This was originally posted on our Voronoi app. Download the app for free on iOS or Android and discover incredible data-driven charts from a variety of trusted sources. The cost of paying for America’s national debt crossed the $1 trillion dollar mark in 2023, driven by high interest rates and a record $34 trillion mountain of debt. Over the last decade, U.S. debt interest payments have more than doubled amid vast government spending during the pande...