The concepts described on these pages are words and expressions used in statistics with a specific, limited meaning. In everyday speech the word may have a different meaning. In connection with each definition you can find information about which sets of statistics use the concept.

If you are looking for statistical figures, go from the definition to the statistics page.


The main unit in the Border Interview Survey is one visit to Finland made by a non-resident of Finland. A visit starts at the border crossing on arrival into Finland and ends at the next border crossing on departure from Finland. A visitor may make several visits to Finland during one trip. As a rule the Survey data concern the specific visit at the end of which the data are collected.

Statistics using the definition

Validity of the definition

  • Valid until (31 December 2078)

Source organisation

  • Tilastokeskus