$5,000 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
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Rate
Nov
1
Dec
1
1998 5,0000.62%4.66%5,0205,0381998
19995,0585,0785,0965,1160.86%5.15%5,1385,1605,1825,2045,2265,2480.86%5.15%5,2705,2921999
20005,3165,3385,3605,3841.76%6.98%5,4145,4465,4785,5085,5405,5721.91%7.28%5,6065,6382000
20015,6725,7065,7405,7741.52%6.49%5,8045,8365,8665,8985,9305,9621.44%6.33%5,9946,0242001
20026,0566,0886,1186,1501.19%5.82%6,1806,2106,2386,2686,2986,3280.28%3.97%6,3486,3702002
20036,3906,4126,4326,4541.23%5.90%6,4866,5166,5486,5806,6126,6441.77%7.00%6,6826,7202003
20046,7606,7986,8386,8760.54%4.50%6,9026,9286,9526,9787,0047,0301.19%5.82%7,0647,0982004
20057,1327,1667,2007,2341.33%6.11%7,2707,3067,3447,3807,4187,4541.79%7.04%7,4987,5402005
20067,5847,6287,6727,7162.85%9.20%7,7747,8327,8927,9508,0108,0700.50%4.42%8,1008,1302006
20078,1588,1888,2188,2481.55%6.55%8,2928,3388,3828,4288,4728,5181.21%5.86%8,5608,6002007
20088,6428,6848,7268,7681.53%6.51%8,8148,8628,9108,9589,0069,0542.42%8.32%9,1169,1782008
20099,2409,3049,3669,4302.46%8.40%9,4949,5609,6269,6929,7589,826-2.78%0.00%9,8269,8262009
20109,8269,8269,8269,8261.53%6.51%9,8789,9329,98410,03810,09210,1460.77%4.97%10,18810,2302010
201110,27210,31410,35610,3980.37%4.15%10,43410,47010,50610,54210,57810,6142.30%8.08%10,68410,7562011
201210,82610,89810,97011,0421.53%6.51%11,10211,16011,22011,28011,34011,4021.10%5.64%11,45411,5082012
201311,56211,61611,67011,7240.88%5.19%11,77411,82411,87611,92611,97612,0280.59%4.60%12,07412,1202013
201412,16612,21212,25812,3040.59%4.60%12,35012,39812,44412,49212,54012,5860.92%5.27%12,64012,6962014
201512,75012,80612,86212,9180.74%4.91%12,97013,02213,07613,12813,18213,236-0.80%1.77%13,25613,2742015
201613,29413,31413,33413,3540.77%4.97%13,40813,46413,51813,57413,63013,6860.08%3.56%13,72613,7662016
201713,80813,84813,88813,9301.38%6.21%14,00214,07214,14414,21614,29014,3620.98%5.39%14,42614,4902017
201814,55414,61814,68414,7501.24%5.92%14,82214,89414,96615,04015,11215,1861.11%5.66%15,25615,3282018
201915,40015,47215,54415,6161.16%5.76%15,69015,76415,84015,91415,99016,0660.70%4.82%16,13016,1942019
202016,25816,32416,38816,4541.01%5.45%16,52816,60216,67616,75216,82616,9020.53%4.48%16,96417,0282020
202117,09017,15417,21617,2800.84%5.11%17,35217,42617,50017,57417,64817,7221.77%7.00%17,82417,9262021
202218,03018,13418,23818,3423.56%10.64%18,50218,66218,82418,98619,15219,3184.81%13.18%19,52419,7342022
202319,94420,15820,37420,5923.24%9.99%20,76020,93021,10021,27221,44621,6201.69%6.84%21,74221,8642023
202421,98622,11022,23422,3601.97%7.41%22,49622,63222,77022,90823,04823,1881.48%6.41%23,31023,4342024
202523,55623,68023,80623,9320.95%5.33%24,03824,14224,24824,35624,46224,5701.43%6.31%24,69824,8262025
202624,95425,08425,21425,346

From $5,000 to $25,346 over 27.5 years = 5.99% average annual increase compounded semi-annually.

Generated  05/01/25  10:59