$50 I Bond with 3.40% Fixed Rate Purchased December 1999

 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
1999 50.001999
20001.76%6.98%50.2850.5850.8651.1651.4451.741.91%7.28%52.0452.3652.6852.9853.3053.622000
20011.52%6.49%53.9054.2054.4854.7855.0655.361.44%6.33%55.6455.9456.2256.5256.8257.122001
20021.19%5.82%57.4057.6657.9458.2258.5058.780.28%3.97%58.9859.1659.3659.5659.7659.942002
20031.23%5.90%60.2460.5260.8261.1261.4061.701.77%7.00%62.0662.4262.7863.1463.5063.862003
20040.54%4.50%64.1064.3464.5864.8265.0665.301.19%5.82%65.6265.9266.2466.5666.8867.202004
20051.33%6.11%67.5467.8868.2268.5668.9069.261.79%7.04%69.6670.0670.4670.8871.2871.702005
20062.85%9.20%72.2472.7873.3473.8874.4475.000.50%4.42%75.2875.5475.8276.1076.3876.662006
20071.55%6.55%77.0877.4877.9078.3278.7479.181.21%5.86%79.5679.9480.3480.7281.1081.502007
20081.53%6.51%81.9482.3882.8283.2683.7084.162.42%8.32%84.7485.3285.9086.4887.0687.662008
20092.46%8.40%88.2688.8889.4890.1090.7291.34-2.78%0.00%91.3491.3491.3491.3491.3491.342009
20101.53%6.51%91.8292.3292.8293.3293.8294.320.77%4.97%94.7095.1095.4895.8896.2696.662010
20110.37%4.15%97.0097.3297.6698.0098.3298.662.30%8.08%99.3299.98100.64101.30101.98102.642011
20121.53%6.51%103.18103.74104.30104.86105.42105.981.10%5.64%106.48106.96107.46107.96108.46108.962012
20130.88%5.19%109.42109.90110.36110.84111.32111.780.59%4.60%112.20112.64113.06113.48113.92114.362013
20140.59%4.60%114.80115.24115.66116.10116.54117.000.92%5.27%117.50118.02118.54119.04119.56120.082014
20150.74%4.91%120.56121.06121.54122.04122.54123.02-0.80%1.77%123.20123.38123.56123.74123.92124.102015
20160.77%4.97%124.60125.12125.64126.14126.66127.180.08%3.56%127.56127.94128.30128.68129.06129.442016
20171.38%6.21%130.10130.76131.44132.10132.78133.460.98%5.39%134.06134.64135.24135.84136.46137.062017
20181.24%5.92%137.72138.40139.08139.76140.44141.121.11%5.66%141.78142.44143.10143.78144.44145.122018
20191.16%5.76%145.80146.50147.20147.90148.60149.300.70%4.82%149.90150.48151.08151.68152.30152.902019
20201.01%5.45%153.58154.28154.96155.66156.36157.060.53%4.48%157.64158.22158.80159.40159.98160.582020
20210.84%5.11%161.26161.94162.62163.30164.00164.681.77%7.00%165.62166.58167.54168.50169.46170.442021
20223.56%10.64%171.92173.42174.92176.44177.96179.504.81%13.18%181.42183.36185.32187.30189.30191.322022
20233.24%9.99%192.88194.46196.04197.64199.26200.881.69%6.84%202.00203.14204.28205.44206.58207.762023
20241.97%7.41%209.02210.30211.58212.86214.16215.461.48%6.41%216.60217.74218.88220.04221.20222.362024
20250.95%5.33%223.34224.32225.30226.30227.28228.281.43%6.31%229.46230.66231.86233.06234.26235.482025
20261.56%6.57%236.76238.04239.32240.60241.90243.22

From $50.00 to $243.22 over 26.5 years = 6.06% average annual increase compounded semi-annually.

Generated  11/04/25  09:10