$25 I Bond with 3.40% Fixed Rate Purchased January 2001

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
200125.001.52%6.49%25.1325.2725.4025.5425.6725.811.44%6.33%25.9426.0826.2226.3526.492001
200226.631.19%5.82%26.7626.8927.0127.1427.2727.400.28%3.97%27.4927.5827.6727.7627.852002
200327.941.23%5.90%28.0828.2128.3528.4928.6328.761.77%7.00%28.9329.0929.2629.4329.602003
200429.770.54%4.50%29.8829.9930.1030.2130.3330.441.19%5.82%30.5930.7330.8831.0331.182004
200531.331.33%6.11%31.4931.6531.8031.9632.1332.291.79%7.04%32.4832.6632.8533.0433.232005
200633.432.85%9.20%33.6833.9334.1934.4534.7134.970.50%4.42%35.1035.2335.3535.4835.612006
200735.741.55%6.55%35.9336.1336.3236.5236.7136.911.21%5.86%37.0937.2737.4537.6337.812007
200837.991.53%6.51%38.1938.4038.6038.8139.0239.232.42%8.32%39.5039.7740.0440.3140.592008
200940.862.46%8.40%41.1441.4241.7142.0042.2942.58-2.78%0.00%42.5842.5842.5842.5842.582009
201042.581.53%6.51%42.8143.0443.2743.5043.7343.970.77%4.97%44.1544.3344.5144.7044.882010
201145.060.37%4.15%45.2145.3745.5345.6845.8445.992.30%8.08%46.2946.6046.9147.2247.532011
201247.851.53%6.51%48.1148.3648.6248.8849.1449.411.10%5.64%49.6449.8750.1050.3350.572012
201350.800.88%5.19%51.0251.2451.4551.6851.9052.120.59%4.60%52.3252.5252.7252.9253.122013
201453.320.59%4.60%53.5253.7353.9354.1354.3454.550.92%5.27%54.7955.0255.2655.5055.752014
201555.990.74%4.91%56.2256.4456.6756.9057.1357.36-0.80%1.77%57.4457.5357.6157.7057.782015
201657.870.77%4.97%58.1158.3558.5858.8259.0759.310.08%3.56%59.4859.6659.8460.0160.192016
201760.371.38%6.21%60.6860.9961.3061.6161.9362.24

From $25.00 to $62.24 over 16.5 years = 5.61% average annual increase compounded semi-annually.

Generated  11/01/16  10:44