In this section, we offer you access to all CILS4EU(-DE) instruments and reports for each wave.


Feel free to download

1. Fieldwork Reports

Technical Fieldwork Report:

This report gives an overview about the sampling strategy, the development of instruments, and the overall fieldwork procedures.

Sociometric Fieldwork Report:

This report includes information on the data collection process of the sociometric module implemented in the survey, as well as a description of the structure of this data set.

Technical Report on Coding:

This report informs on the coding procedure to assess if a respondent has an immigrant background, and to determine her respective generational status, as well as her country of origin.

2. Questionnaires

Master Questionnaires:

The master questionnaire represents the English written equivalent to the codebook. It includes each question that was asked at least in one of the four countries in a country-neutral form. Note that this instrument was never applied in the actual field and offers only a general overview about the specific questionnaires.

National Instruments:

These instruments are the original questionnaires that have been applied in the field.

National Instruments (English):

These instruments are English translations of the national instruments being administered in the field. We offer our users these translated version for a better understanding, but please be aware that for explicit formulation the national instrument has to be checked.

3. Codebook

The codebook is a complete documentation of the data set, provides a variable overview, and informs among differences in reduced and full versions of the data sets in its appendix.


Please select one of the following waves:

Wave 1

Wave 2

Wave 3

Wave 4 (follow-up study in Germany)

Wave 5 (follow-up study in Germany)

Wave 6 (follow-up study in Germany)

Wave 7 (follow-up study in Germany)

CILS4COVID (follow-up study on the COVID-19 pandemic in Germany)