After vehicle purchases, gasoline is the next largest share of income and airline fares the third. Small as it is, the airfare share is several times that of mass transit and intercity trains combined.
What this shows: The chart covers 2013 to 2023. It plots Airline fares, Vehicle purchases, Gasoline and motor oil, Mass transit and Intercity train on a vertical axis of Share of income (%). Latest values: Airline fares 0.68; Vehicle purchases 5.44; Gasoline and motor oil 2.65; Mass transit 0.076; Intercity train 0.03. Data run through 2023.