Here’s how much worse U.S. debt could get as Treasury yields surge to the highest levels in two decades

Publicly held debt would explode to 222% of GDP by 2056, under a scenario where interest rates rise by 1 percentage point.

Source: [Fortune](https://fortune.com/2026/09/26/us-debt-outlook-cbo-10-year-treasury-bond-yields-highest-two-decades/)