$50 I Bond with 1.20% Fixed Rate Purchased June 2005

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2005 50.001.79%4.80%50.2050.4050.6050.8051.0051.202005
20062.85%6.93%51.5051.7852.0852.3852.6852.980.50%2.21%53.0853.1853.2853.3653.4653.562006
20071.55%4.32%53.7653.9454.1454.3254.5254.721.21%3.63%54.8855.0455.2255.3855.5455.722007
20081.53%4.28%55.9256.1256.3256.5256.7256.922.42%6.07%57.2057.5057.7858.0658.3658.642008
20092.46%6.15%58.9459.2459.5459.8460.1460.44-2.78%0.00%60.4460.4460.4460.4460.4460.442009
20101.53%4.28%60.6660.8661.0861.3061.5261.740.77%2.75%61.8862.0262.1662.3062.4462.582010
20110.37%1.94%62.6862.7862.8862.9863.0863.182.30%5.83%63.4863.7864.1064.4064.7265.022011
20121.53%4.28%65.2465.4865.7265.9466.1866.421.10%3.41%66.6066.8066.9867.1867.3667.562012
20130.88%2.97%67.7267.9068.0668.2268.4068.560.59%2.39%68.7068.8468.9669.1069.2469.382013
20140.59%2.39%69.5269.6669.8069.9470.0870.200.92%3.05%70.3870.5670.7470.9271.1071.282014
20150.74%2.69%71.4471.6071.7671.9272.0872.24-0.80%0.00%72.2472.2472.2472.2472.2472.242015
20160.77%2.75%72.4072.5672.7472.9073.0673.240.08%1.36%73.3273.4073.4873.5873.6673.742016
20171.38%3.98%73.9874.2274.4874.7274.9675.200.98%3.17%75.4075.6075.8076.0076.2076.402017
20181.24%3.69%76.6476.8677.1077.3477.5877.801.11%3.43%78.0278.2478.4678.6878.9279.142018
20191.16%3.53%79.3879.6079.8480.0680.3080.540.70%2.61%80.7280.8881.0681.2481.4281.602019
20201.01%3.23%81.8282.0482.2682.4882.7082.920.53%2.27%83.0883.2483.3883.5483.7083.862020
20210.84%2.89%84.0684.2684.4684.6684.8685.081.77%4.76%85.4285.7486.0886.4286.7687.102021
20223.56%8.36%87.7088.3088.9089.5290.1290.744.81%10.88%91.5492.3693.1894.0094.8495.682022
20233.24%7.72%96.2896.9097.5098.1298.7499.381.69%4.60%99.76100.14100.52100.90101.28101.662023
20241.97%5.16%102.10102.52102.96103.40103.84104.28

From $50.00 to $104.28 over 19.0 years = 3.91% average annual increase compounded semi-annually.

Generated  11/01/23  07:37