Google’s AI tool says that 20-25% of the world’s population flies at least three times a year. Not a good source, but at least a surprising statistic if true.

Some hard data says that 12% of US flyers take 66% of flights [1]. Those are all likely very frequent fliers, and is much more than 1%.

1. https://www.businesstraveller.com/business-travel/2021/03/31...