Which airports charge you to move your own bags.
Most of the world hands you one for nothing. The United States, the United Kingdom and Australia mostly do not. This is a record of which is which, by area of the terminal, with a source and a date against every figure.
This is a start, not a survey. The set was chosen to test the data model against awkward cases rather than to be representative, so read it as examples rather than as a proportion of the world. One further airport is on record and closed.
Converted to US dollars at a dated rate held in the repository, using the cheapest coin or card the machine accepts.
Both were done by the same person: Larry Krauter, at Spokane in 2011 and at Cincinnati in 2025. Going free costs about 250 carts.