VTC publishes a vague methodology document (mostly a list of data sources). A visitor is someone who stays overnight or travels >50 mi. The primary source of claims seems to be survey data.
Methodology: vatc.org/wp-content/u...
Full report: vatc.org/wp-content/u...
bsky.app/profile/tjsl...
Rory Stolzenberg
did they define tourists as “anybody who does not live within the literal city limits”