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20-Year Treasury Constant Maturity Rate (GS20)

Source(s): Board of Governors of the Federal Reserve System (US)
Release: H.15 Selected Interest Rates  

Description of growth rate formulas  
Not Seasonally Adjusted 
Notes: Averages of business days. For information on the break in this series from January 1987 through September 1993, please refer to information available at

For further information regarding treasury constant maturity data, please refer to and
Updated: 2016-10-03 3:47 PM CDT 

Note: CSV files do not contain header information.

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