The INE is not responsible for the results that the recipients of the data obtain from these files based on their own calculations. In addition, recipients undertake to cite, in any publication derived therefrom, the INE as the primary data source (source: INE,, as well as the fact that the degree of accuracy or reliability of the information derived from the authors' own calculations is the sole responsibility of the authors themselves.

Survey 2017

Notice to users: on 17th July 2018 variable CLASE_PR from household microdata file has been modified and mentioned variable has been included in minor microdata file

Survey 2011-2012