$200 I Bond with 3.40% Fixed Rate Purchased October 1998

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
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1998 200.000.62%4.66%200.80201.521998
1999202.32203.12203.84204.640.86%5.15%205.52206.40207.28208.16209.04209.920.86%5.15%210.80211.681999
2000212.64213.52214.40215.361.76%6.98%216.56217.84219.12220.32221.60222.881.91%7.28%224.24225.522000
2001226.88228.24229.60230.961.52%6.49%232.16233.44234.64235.92237.20238.481.44%6.33%239.76240.962001
2002242.24243.52244.72246.001.19%5.82%247.20248.40249.52250.72251.92253.120.28%3.97%253.92254.802002
2003255.60256.48257.28258.161.23%5.90%259.44260.64261.92263.20264.48265.761.77%7.00%267.28268.802003
2004270.40271.92273.52275.040.54%4.50%276.08277.12278.08279.12280.16281.201.19%5.82%282.56283.922004
2005285.28286.64288.00289.361.33%6.11%290.80292.24293.76295.20296.72298.161.79%7.04%299.92301.602005
2006303.36305.12306.88308.642.85%9.20%310.96313.28315.68318.00320.40322.800.50%4.42%324.00325.202006
2007326.32327.52328.72329.921.55%6.55%331.68333.52335.28337.12338.88340.721.21%5.86%342.40344.002007
2008345.68347.36349.04350.721.53%6.51%352.56354.48356.40358.32360.24362.162.42%8.32%364.64367.122008
2009369.60372.16374.64377.202.46%8.40%379.76382.40385.04387.68390.32393.04-2.78%0.00%393.04393.042009
2010393.04393.04393.04393.041.53%6.51%395.12397.28399.36401.52403.68405.840.77%4.97%407.52409.202010
2011410.88412.56414.24415.920.37%4.15%417.36418.80420.24421.68423.12424.562.30%8.08%427.36430.242011
2012433.04435.92438.80441.681.53%6.51%444.08446.40448.80451.20453.60456.081.10%5.64%458.16460.322012
2013462.48464.64466.80468.960.88%5.19%470.96472.96475.04477.04479.04481.120.59%4.60%482.96484.802013
2014486.64488.48490.32492.160.59%4.60%494.00495.92497.76499.68501.60503.440.92%5.27%505.60507.842014
2015510.00512.24514.48516.720.74%4.91%518.80520.88523.04525.12527.28529.44-0.80%1.77%530.24530.962015
2016531.76532.56533.36534.160.77%4.97%536.32538.56540.72542.96545.20547.440.08%3.56%549.04550.642016
2017552.32553.92555.52557.201.38%6.21%560.08562.88565.76568.64571.60574.480.98%5.39%577.04579.602017
2018582.16584.72587.36590.001.24%5.92%592.88595.76598.64601.60604.48607.441.11%5.66%610.24613.122018
2019616.00618.88621.76624.641.16%5.76%627.60630.56633.60636.56639.60642.640.70%4.82%645.20647.762019
2020650.32652.96655.52658.161.01%5.45%661.12664.08667.04670.08673.04676.080.53%4.48%678.56681.122020
2021683.60686.16688.64691.200.84%5.11%694.08697.04700.00702.96705.92708.881.77%7.00%712.96717.042021
2022721.20725.36729.52733.683.56%10.64%740.08746.48752.96759.44766.08772.724.81%13.18%780.96789.362022
2023797.76806.32814.96823.683.24%9.99%830.40837.20844.00850.88857.84864.801.69%6.84%869.68874.562023
2024879.44884.40889.36894.401.97%7.41%899.84905.28910.80916.32921.92927.521.48%6.41%932.40937.362024
2025942.24947.20952.24957.280.95%5.33%961.52965.68969.92974.24978.48982.801.43%6.31%987.92993.042025
2026998.161,003.361,008.561,013.84

From $200.00 to $1,013.84 over 27.5 years = 5.99% average annual increase compounded semi-annually.

Generated  05/01/25  10:59