Rising Treasury Yields Challenge CBO Forecasts, Spark Debt Concerns

The U.S. 10-year Treasury yield has surged past expectations set by the Congressional Budget Office (CBO), reaching a high of over 5%, its highest level since 2007. The CBO had previously projected yields to remain below this threshold through at least 2036, but recent geopolitical tensions and economic strength have pushed borrowing costs higher than anticipated. Rising interest rates increase the cost for the U.S. government to service its $40 trillion debt load, with projections showing annual interest payments could exceed Medicare or Social Security benefits by the end of this decade if yields stay elevated. Higher Treasury yields are driven not only by inflation and a tight labor market but also by global competition among bond issuers for investor capital and an increasingly unstable geopolitical environment. These factors have led to concerns about a potential debt spiral, where rising interest costs fuel further borrowing, which in turn drives up rates even more. Experts who once dismissed U.S. fiscal risks are now expressing alarm as the Treasury market deteriorates faster than expected.

By Jason Ma Sat, September 19, 2026 at 10:31 PM GMT+3 4 min read · Yahoo Finance ·

Rising Treasury Yields Challenge CBO Forecasts, Spark Debt Concerns

Topics: CBO forecasts economic normalization interest costs Treasury yields U.S. debt

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