United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity was 4.88% in April of 2024, according to the United States Federal Reserve. Historically, United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity reached a record high of 15.78 in September of 1981 and a record low of 0.87 in March of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Market Yield on U.S. Treasury Securities at 20-Year Constant Maturity - last updated from the United States Federal Reserve on April of 2024.