In 2013, Samoa Air introduced a "fat tax" where passengers paid based on their weight, but it didn't catch on widely. In February 2024, Finnair expanded its weight data collection initiative.

While Samoa Air's 2013 'fat tax' failed to gain traction, Finnair recently conducted a three-month voluntary data collection initiative, gathering passengers' weight along with their carry-on luggage.

Samoa Air, which launched last year to provide service around Samoa and neighboring islands, says its "pay-by-weight" system is the "fairest way" to charge travelers. It's straightforward ...