According to the U.S. Bureau of Labor Statistics, prices for ship fare were 8.03% lower in 2020 versus 2018 (a $1.61 difference in value).

**Between 2018 and 2020:** Ship fare experienced an average inflation rate of -4.10% per year.
This rate of change indicates significant deflation.
In other words, ship fare costing $20 in the year 2018 would cost $18.39 in 2020 for an equivalent purchase.
Compared to the overall inflation rate of 1.37% during this same period, inflation for ship fare was
significantly lower.

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for *Ship fare*:

Year |
2018 | 2019 | 2020 |

CPI |
66.395 | 64.917 | 61.063 |

Milk · Dallas-Fort Worth, Texas · Atlanta, Georgia · Public transportation ·

Below are calculations of equivalent buying power for Ship fare, 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 |
---|---|---|

2018 | $20.00 | - |

2019 | $19.55 | -2.23% |

2020 | $18.39 | -5.94%* |

CPI in 2020 / CPI in 2018 * 2018 USD value = 2020 USD value

Then plug in historical CPI values from above. The CPI for Ship fare was 66.395 in the year 2018 and 61.063 in 2020:

61.063 / 66.395 * $20 =

Therefore, according to U.S. Bureau of Labor Statistics, $20 in 2018 has the same "purchasing power" as $18.39 in 2020 (in the CPI category of Ship fare).