Estimate daily presence
Annual arrivals × average stay ÷ 365.
A destination receiving 36,500 visitors a year, each staying five days on average, has an estimated average daily visitor presence of 500. That is a useful starting point for sizing services, but it is not peak occupancy, unique footfall at a venue or the total population a community serves.
Keep the unit of analysis consistent. A visitor counted through annual arrivals should not also be added through occupied accommodation. Residents and workers should not be counted twice.