- Type of operation: statistics elaborated from the statistical treatment of the variations registered in the Municipal Register database.
- Population scope: persons who habitually reside in Spain and emigrate abroad or to another region of Spain, and persons who, coming from abroad, establish their habitual residence in Spain.
- Geographical scope: national, Autonomous Communities and Cities and provinces
- Reference period of the results: calendar year and semesters.
- Dissemination frequency: biannual.