How Much Inflation have we had since 1913? Just like compound interest, "compound inflation" grows faster and faster.  So, even though the average annual inflation since 1913 has been "only" 3.24% PER YEAR. After over 100 years, the total cumulative inflation becomes astronomical. See Average Annual Inflation Rates by Decade to see how each decade stacked up. As you can see from the chart below, compounding something for over 100 years at 3.24% will result in well over 2000% inflation. The Consumer Price index (CPI-U) for January 1913 was 9.8.  The CPI-U for July 2022 was 296.276.  This means that something that cost $9.80 in January 1913 would cost $296.28 in July of … [Read more...]