$100 I Bond with 0.00% Fixed Rate Purchased July 2008

 Jan
1
Infla
tion
Rate
Com
posite
Rate
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Infla
tion
Rate
Com
posite
Rate
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2008 100.002.42%4.84%100.40100.80101.20101.60102.002008
2009102.442.46%4.92%102.84103.28103.68104.12104.52104.96-2.78%0.00%104.96104.96104.96104.96104.962009
2010104.961.53%3.06%105.24105.48105.76106.04106.28106.560.77%1.54%106.68106.84106.96107.12107.242010
2011107.400.37%0.74%107.48107.52107.60107.68107.72107.802.30%4.60%108.20108.64109.04109.44109.882011
2012110.281.53%3.06%110.56110.84111.12111.40111.68111.961.10%2.20%112.16112.36112.56112.76113.002012
2013113.200.88%1.76%113.36113.52113.68113.88114.04114.200.59%1.18%114.32114.44114.52114.64114.762013
2014114.880.59%1.18%115.00115.12115.20115.32115.44115.560.92%1.84%115.72115.92116.08116.28116.442014
2015116.640.74%1.48%116.80116.92117.08117.20117.36117.52-0.80%0.00%117.52117.52117.52117.52117.522015
2016117.520.77%1.54%117.68117.84117.96118.12118.28118.440.08%0.16%118.44118.48118.48118.52118.522016
2017118.521.38%2.76%118.80119.08119.32119.60119.88120.160.98%1.96%120.36120.56120.76120.96121.162017
2018121.321.24%2.48%121.56121.80122.08122.32122.56122.841.11%2.22%123.08123.28123.52123.76123.962018
2019124.201.16%2.32%124.44124.68124.92125.16125.40125.640.70%1.40%125.80125.92126.08126.24126.362019
2020126.521.01%2.02%126.72126.96127.16127.36127.60127.800.53%1.06%127.92128.04128.12128.24128.362020
2021128.480.84%1.68%128.64128.84129.00129.20129.36129.561.77%3.54%129.92130.32130.72131.08131.482021
2022131.843.56%7.12%132.60133.40134.16134.96135.72136.524.81%9.62%137.60138.68139.76140.88141.962022
2023143.083.24%6.48%143.84144.60145.36146.16146.92147.721.69%3.38%148.12148.56148.96149.36149.802023
2024150.201.97%3.94%150.68151.16151.68152.16152.68153.161.48%2.96%153.52153.92154.28154.68155.042024
2025155.440.95%1.90%155.68155.92156.16156.44156.68156.921.43%2.86%157.28157.68158.04158.40158.802025
2026159.161.56%3.12%159.56160.00160.40160.80161.24161.64

From $100.00 to $161.64 over 18.0 years = 2.69% average annual increase compounded semi-annually.

Generated  11/04/25  09:10