The UN World Tourism Organization (UNWTO) defines a tourist as:
"A visitor who travels to a main destination outside his/her usual environment, for less than a year, for any main purpose (business, leisure, or other personal purpose) other than to be employed by a resident entity in the country or place visited."
| Criterion | Threshold | Notes |
|---|---|---|
| Distance | No universal minimum | Some countries use 50–100 km from residence |
| Duration | < 1 year (365 days) | Same-day visitors = "excursionists" (subcategory) |
| Purpose | Leisure, business, VFR, health, religion, education, other | Excludes: employment, military, diplomatic, nomadic |
| Usual environment | Routine daily/weekly radius | Commuting, local shopping excluded |
Countries apply definitions differently—affects comparability. UNWTO's International Recommendations for Tourism Statistics 2008 standardizes but national laws vary. Example: China counts Hong Kong/Macau/Taiwan as "inbound"; EU treats intra-EU as "international."
The term "tourist" carries cultural baggage (superficial, exploitative), but statistically, it's a precise demographic category enabling policy, planning, and economic analysis.