- Type of survey: fixed panel survey for 8 annual cycles
- Population scope: private households living in main family dwellings and the total members of the household
- Geographical scope: the national territory, except Ceuta and Melilla
- Reference period: different according to the characteristic under investigation (current time, reference week, calendar year)
- Sample size: 70,000 households throughout the EU and some 8,000 in Spain
- Collection of data: the fourth quarter of each year
- Collection method: personal and telephone interview
Methodological documents, questionnaires, classifications...