What’s the highest year-over-year inflation rate in the history of the U.S.?
What’s the highest year-over-year inflation rate in the history of the U.S.?
In 1778 highest year-over-year inflation rate observed was 29.78%. Inflation is calculated using the yearly change in the consumer price index (CPI), which was first introduced in 1913. Since the beginning of the CPI, the highest inflation rate observed was 19.66% in 1917.
