United States Inflation Rate in 1918
Inflation rate in the United States was 20.44% in 1918. That is 2.33 more than it was in the preceding 1917 and 5.89% more than in the following year of 1919.
Month over month inflation rate is calculated for just the subject month itself - from the first to the last day of that month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month to month, % | 2.19 | 0.71 | -0.71 | 1.43 | 2.11 | 1.38 | 2.72 | 1.99 | 1.95 | 1.91 | 1.88 | 1.23 | 20.44 |
Year to year inflation rate is calculated for 12 months: 11 months preceding the subject one and the subject month itself:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year over year (12 months), % | 19.66 | 17.50 | 16.67 | 12.70 | 13.28 | 13.08 | 17.97 | 18.46 | 18.05 | 18.52 | 20.74 | 20.44 | 20.44 |
Progressive inflation rate is an incremental year to date inflation that sums rates from the beginning of the calendar year to the end of the subject month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Progressive (year to date), % | 2.19 | 2.92 | 2.19 | 3.65 | 5.84 | 7.30 | 10.22 | 12.41 | 14.60 | 16.79 | 18.98 | 20.44 | 20.44 |
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