Special-issue interest rates on new
investments (percent)
Month
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
January
6.625
5.375
5.250
4.000
4.250
4.250
4.500
4.750
4.000
2.125
February
6.750
5.375
5.250
4.125
4.125
4.125
4.625
4.875
3.500
2.750
March
6.500
5.250
5.125
3.875
4.000
4.375
4.625
4.625
3.375
2.875
April
6.250
5.250
5.625
4.000
3.875
4.500
5.000
4.750
3.375
2.500
May
6.375
5.500
5.250
4.000
4.500
4.250
5.125
4.625
3.750
2.875
June
6.500
5.625
5.250
3.500
4.625
4.125
5.125
5.000
4.000
3.250
July
6.250
5.625
5.000
3.625
4.625
4.000
5.250
5.000
3.875
3.250
August
6.125
5.250
4.750
4.500
4.500
4.375
5.000
4.750
3.875
3.250
September
6.000
5.125
4.375
4.500
4.125
4.125
4.750
4.500
3.750
3.125
October
6.000
4.875
3.875
4.000
4.125
4.375
4.750
4.500
3.625
3.000
November
5.875
4.500
4.125
4.375
4.125
4.625
4.625
4.500
3.750
3.125
December
5.625
5.000
4.500
4.375
4.375
4.625
4.500
4.000
2.750
2.875
Average
6.240
5.229
4.865
4.073
4.271
4.313
4.823
4.656
3.635
2.917
Month
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
January
3.500
2.875
1.500
1.500
February
3.125
2.875
1.500
1.625
March
3.125
3.000
1.625
1.500
April
3.375
3.000
1.875
1.500
May
3.250
2.875
1.625
1.375
June
2.875
2.500
1.375
1.750
July
2.625
2.625
1.375
August
2.500
2.250
1.250
September
2.125
1.875
1.250
October
2.125
1.625
1.375
November
2.125
1.750
1.375
December
2.375
1.750
1.375
Average
2.760
2.417
1.458
NA
NA
NA
NA
NA
NA
NA
Note: The current formula
for determining special-issue interest rates became effective with the
October 1960 rate. Under this formula, the highest interest rate is
15.250 percent (Oct 1981) and the lowest rate is 1.250 percent (Aug 2012, Sep 2012). See table for
1937-1999 interest rates.
