According to the U.S. Bureau of Labor Statistics, prices for intracity mass transit were 1.40% higher in 2019 versus 2018 (a $0.28 difference in value).

**Between 2018 and 2019:** Intracity mass transit experienced an average inflation rate of 1.40% per year.
In other words, intracity mass transit costing $20 in the year 2018 would cost $20.28 in 2019 for an equivalent purchase.
Compared to the overall inflation rate of 1.81% during this same period, inflation for intracity mass transit was
lower.

Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for *Intracity mass transit*:

Year |
2018 | 2019 |

CPI |
128.013 | 129.808 |

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Below are calculations of equivalent buying power for Intracity mass transit, 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 | $20.28 | 1.40%* |

CPI in 2019 / CPI in 2018 * 2018 USD value = 2019 USD value

Then plug in historical CPI values from above. The CPI for Intracity mass transit was 128.013 in the year 2018 and 129.808 in 2019:

129.808 / 128.013 * $20 =

Therefore, according to U.S. Bureau of Labor Statistics, $20 in 2018 has the same "purchasing power" as $20.28 in 2019 (in the CPI category of Intracity mass transit).