Frequently Asked Questions

There are no special requirements. The contacted households were selected to reflect the composition of the population in Luxembourg or the population of cross-border commuters from the Greater Region.
You do not need to take any initiative.

If you live in in Luxembourg and are selected for the survey of Luxembourg residents, one of the interviewers will contact you in the coming days to arrange the interview. All interviewers work for LISER, a research institute that will conduct the survey on behalf of the BCL.

If you live across the Luxembourg border and are selected for the cross-border commuter survey, then you will receive a letter providing all the instructions necessary to participate.
Naturally, you are free to choose the place, date and time of your interview.
On average, the interview lasts one hour for the resident survey (LU-HFCS).

It lasts around 30 minutes for cross-border commuters.

However, this length can vary according to the situation and size of the household.
Yes, of course. If you can consult your documents, this will help the interview.
For the resident survey (LU-HFCS) some of the questions will be addressed to each household member aged 16 or over, so it is recommended that they be present, although this is not strictly necessary.

The cross-border survey should be completed by the cross-border commuter who was contacted by letter.
The data collected will only be used for statistical and scientific purposes. All data will be treated as strictly confidential, complying with BCL statutes on confidentiality and Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data. Results will only be presented in aggregated and anonymous form.