According to the U.S. Bureau of Labor Statistics, prices for peanut butter were 2.72% lower in 2019 versus 2018 (a $0.54 difference in value).
Between 2018 and 2019: Peanut butter experienced an average inflation rate of -2.72% per year. This rate of change indicates significant deflation. In other words, peanut butter costing $20 in the year 2018 would cost $19.46 in 2019 for an equivalent purchase. Compared to the overall inflation rate of 1.81% during this same period, inflation for peanut butter was significantly lower.
Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Peanut butter:
Below are calculations of equivalent buying power for Peanut butter, over time, for $20 beginning in 2018. Each of the amounts below is equivalent in terms of what it could buy at the time:
|Year||USD Value||Inflation Rate|