Article that says we have about 20 years before default if it stays on current path.
https://markets.businessinsider.com...stainable-default-treasury-bond-crash-2023-10
US debt will become unsustainable in roughly 20 years if it doesn't change course, a Penn Wharton Budget Model determined.
After that, no amount of tax hikes or spending cuts could prevent default "whether explicitly or implicitly."
An implicit default would include debt monetization that produces significant inflation.
For now, PWBM's approach found that US debt cannot surpass 200% of GDP if the worst is to be avoided. Right now, it's at about 98%. But a more plausible red line is closer to 175%, and even that assumes financial markets believe the government will implement fiscal policy corrections.
This is as bond yields will have to continuously rise in order to attract buyers of government debt