$5,000 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 5,0001999
20001.76%6.98%5,0285,0585,0865,1165,1445,1741.91%7.28%5,2045,2365,2685,2985,3305,3622000
20011.52%6.49%5,3905,4205,4485,4785,5065,5361.44%6.33%5,5645,5945,6225,6525,6825,7122001
20021.19%5.82%5,7405,7665,7945,8225,8505,8780.28%3.97%5,8985,9165,9365,9565,9765,9942002
20031.23%5.90%6,0246,0526,0826,1126,1406,1701.77%7.00%6,2066,2426,2786,3146,3506,3862003
20040.54%4.50%6,4106,4346,4586,4826,5066,5301.19%5.82%6,5626,5926,6246,6566,6886,7202004
20051.33%6.11%6,7546,7886,8226,8566,8906,9261.79%7.04%6,9667,0067,0467,0887,1287,1702005
20062.85%9.20%7,2247,2787,3347,3887,4447,5000.50%4.42%7,5287,5547,5827,6107,6387,6662006
20071.55%6.55%7,7087,7487,7907,8327,8747,9181.21%5.86%7,9567,9948,0348,0728,1108,1502007
20081.53%6.51%8,1948,2388,2828,3268,3708,4162.42%8.32%8,4748,5328,5908,6488,7068,7662008
20092.46%8.40%8,8268,8888,9489,0109,0729,134-2.78%0.00%9,1349,1349,1349,1349,1349,1342009
20101.53%6.51%9,1829,2329,2829,3329,3829,4320.77%4.97%9,4709,5109,5489,5889,6269,6662010
20110.37%4.15%9,7009,7329,7669,8009,8329,8662.30%8.08%9,9329,99810,06410,13010,19810,2642011
20121.53%6.51%10,31810,37410,43010,48610,54210,5981.10%5.64%10,64810,69610,74610,79610,84610,8962012
20130.88%5.19%10,94210,99011,03611,08411,13211,1780.59%4.60%11,22011,26411,30611,34811,39211,4362013
20140.59%4.60%11,48011,52411,56611,61011,65411,7000.92%5.27%11,75011,80211,85411,90411,95612,0082014
20150.74%4.91%12,05612,10612,15412,20412,25412,302-0.80%1.77%12,32012,33812,35612,37412,39212,4102015
20160.77%4.97%12,46012,51212,56412,61412,66612,7180.08%3.56%12,75612,79412,83012,86812,90612,9442016
20171.38%6.21%13,01013,07613,14413,21013,27813,3460.98%5.39%13,40613,46413,52413,58413,64613,7062017
20181.24%5.92%13,77213,84013,90813,97614,04414,1121.11%5.66%14,17814,24414,31014,37814,44414,5122018
20191.16%5.76%14,58014,65014,72014,79014,86014,9300.70%4.82%14,99015,04815,10815,16815,23015,2902019
20201.01%5.45%15,35815,42815,49615,56615,63615,7060.53%4.48%15,76415,82215,88015,94015,99816,0582020
20210.84%5.11%16,12616,19416,26216,33016,40016,4681.77%7.00%16,56216,65816,75416,85016,94617,0442021
20223.56%10.64%17,19217,34217,49217,64417,79617,9504.81%13.18%18,14218,33618,53218,73018,93019,1322022
20233.24%9.99%19,28819,44619,60419,76419,92620,0881.69%6.84%20,20020,31420,42820,54420,65820,7762023
20241.97%7.41%20,90221,03021,15821,28621,41621,5461.48%6.41%21,66021,77421,88822,00422,12022,2362024
20250.95%5.33%22,33422,43222,53022,63022,72822,8281.43%6.31%22,94623,06623,18623,30623,42623,5482025
20261.56%6.57%23,67623,80423,93224,06024,19024,322

From $5,000 to $24,322 over 26.5 years = 6.06% average annual increase compounded semi-annually.

Generated  11/04/25  09:10