Definition: Statistical unit (Tourism in the Balance of Payments)
From the Balance of Payments perspective, the statistical unit to be considered differs according to the system used. In systems based on supply-side surveys, the statistical reporting unit is the enterprise, local unit, etc. In systems based on demand-side surveys, the statistical reporting unit is a household or individual in household surveys and a visitor or travelling party in surveys at international arrival and departure points or destinations.
Eurostat, "Methodological manual on the design and implementation of surveys on inbound tourism", Office for Official Publications of the European Communities, Luxembourg, 2000, Appendix A, Classification and Glossary