$25 I Bond with 1.00% Fixed Rate Purchased August 2004

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2004 25.001.19%3.39%25.0725.1425.2125.282004
200525.3525.421.33%3.67%25.5025.5725.6525.7325.8125.891.79%4.60%25.9926.0926.1926.292005
200626.3926.492.85%6.73%26.6426.7826.9327.0827.2327.380.50%2.01%27.4327.4727.5227.562006
200727.6127.661.55%4.12%27.7527.8527.9428.0428.1328.231.21%3.43%28.3128.3928.4728.552007
200828.6328.711.53%4.08%28.8128.9029.0029.1029.2029.302.42%5.86%29.4429.5829.7329.872008
200930.0130.162.46%5.94%30.3130.4630.6030.7530.9031.06-2.78%0.00%31.0631.0631.0631.062009
201031.0631.061.53%4.08%31.1631.2731.3831.4831.5931.690.77%2.55%31.7631.8231.8931.962010
201132.0332.090.37%1.74%32.1432.1832.2332.2832.3232.372.30%5.62%32.5232.6732.8232.972011
201233.1333.281.53%4.08%33.3933.5033.6233.7333.8433.961.10%3.21%34.0534.1434.2334.322012
201334.4134.510.88%2.77%34.5934.6734.7534.8334.9134.990.59%2.19%35.0535.1235.1835.242013
201435.3135.370.59%2.19%35.4335.5035.5635.6335.6935.760.92%2.85%35.8435.9336.0136.102014
201536.1836.270.74%2.49%36.3436.4236.5036.5736.6536.72-0.80%0.00%36.7236.7236.7236.722015
201636.7236.720.77%2.55%36.8036.8836.9537.0337.1137.190.08%1.16%37.2337.2637.3037.332016
201737.3737.411.38%3.77%37.5337.6437.7637.8838.0038.120.98%2.97%38.2138.3138.4038.502017
201838.5938.691.24%3.49%38.8038.9139.0339.1439.2539.37

From $25.00 to $39.37 over 14.0 years = 3.27% average annual increase compounded semi-annually.

Generated  11/17/17  15:20