Dataset details
Ref dataset: 962 (1.2.0)
Dataset title
MOSAiCH 2018. Measurement and Observation of Social Attitudes in Switzerland. Study on Religion and related topics
DOI 10.23662/FORS-DS-962-3
Previous versions 962-1:


Ref dataset 962
Ref study 13209
Dataset language English
Additional information The data is documented in English, but the data collection languages are German, French and Italian E: Be aware that the downloadable file is a highly anonymized version. If you notice (after the download) that this data file is not sufficient for your purpose, you can ask for the complete anonymized data file by sending an e-mail to This version is available with prior agreement of authors only. When asking for this file, you will need to argue why the highly anonymized version is not sufficient for your intended use. D: Wir möchten Sie darauf hinweisen, dass es sich bei diesem Datensatz um stark anonymisierte Daten handelt. Falls Sie nach dem Download bemerken sollten, dass diese Version Ihren Analysevorhaben nicht genügt, können Sie per E-Mail an die kompletten Daten in anonymisierter Form anfordern. Diese sind ausschliesslich nach Zustimmung der Autoren erhältlich. Um diese kompletteren Daten anzufragen, werden Sie gebeten zu begründen, weshalb die stark anonymisierten Daten für Ihr Vorhaben nicht genügen. F : Nous attirons l’attention des chercheurs sur le fait qu’il s'agit d'une version hautement anonymisée des données de cette étude. Si, après téléchargement, celle-ci ne devait pas suffire à vos besoins, vous pouvez faire une demande par e-mail à pour la version anonymisée complète, disponible uniquement avec accord préalable des auteurs. Vous devrez alors exposer pourquoi la version hautement anonymisée ne suffit pas pour réaliser votre projet. The comprehensive Survey Documentation report covers the documentation of the whole survey cycle of MOSAiCH 2018 (design, implementation, processing, archiving) and has to be cited together with the data when using MOSAiCH 2018 data in your publications.
Dataset version 1.2.0
Version notes In version 1.2.0 of the data: 1) Codes corrected in variables REL1, R18, R19 and R20 (errors in coding of open answers) and POL6 (new code for ‘several parties’) 2) Filters corrected in variables REL2v4, WORK18av2, Work10, WORK4ISCO, WORK4ISCOr, PWORK4ISCO, PWORK4ISCO, POL6a, POL6, DEMO2, DEMO3, HH5, HH10f, HH10d, HH10e 3) Labels corrected in variables REL1, R18, R19, R20, EDU1, POL6, INC1, INC3, WORK2, PWORK1, PWORK2, PWORK5 - No changes in the number of cases. - Please be aware that code 2 in REL1, R18, R19 and R20, the Christcatholic confession, is strongly overeestimated, as many respondents may not have properly distingued it from Roman catholic. The great majority probably is Roman catholic and not Christcatholic. - Revised 'Survey documentation' and 'Questionnaire DFI' available.
Publication date 19.12.2019
See variables on De Visu
Bibliographical citation Survey Documentation report:
Michèle Ernst Staehli, Marlène Sapin, Alexandre Pollien, Michael Ochsner, Karin Nisple, Dominique Joye (2019). MOSAiCH 2018 on Religion and related topics. Survey Documentation. Lausanne: FORS – Swiss Centre of Expertise in the Social Sciences.

Michèle Ernst Staehli, Marlène Sapin, Alexandre Pollien, Michael Ochsner, Karin Nisple, Dominique Joye. (2019). MOSAiCH 2018. Measurement and Observation of Social Attitudes in Switzerland. Study on Religion and related topics [Dataset]. Distributed by FORS, Lausanne, 2019.
Data type Quantitative data
Consent of respondents
Time method Cross-section
  • Digitalized data file
Data collector
Available document types
  • Collection instruments
  • Variable documentation
  • Communications to respondents
  • Technical report
Remarks about the documentation
Restriction Academic research and teaching
Special order
Special permission None
Status Published

MOSAiCH 2018 Data
Collection date - begin 02.03.2018
Collection date - end 07.07.2019
Analysis unit
  • Individual
Universe Permanent resident population of Switzerland, aged 18 and over (no upper age limit), living in private households (and speaking either German, French or Italian)
Sampling description Simple random sample, drawn on national level by the Swiss Federal Statistical Office from the SRPH (Population register: Stichprobenrahmen für Personen- und Haushaltserhebungen)
Mode of data collection
  • Self-administered questionnaire: Paper
  • Self-administered questionnaire: Web-based
Data collection instruments
  • Questionnaire
Data source
Weighting information No design weighting, all weights=1, according to the sample design (all respondents have the same probability to be selected); for bias in Part 2, please refer to the analysis in the Survey Documentation Report
Response rate - Gross sample size 5983 - Net sample size (without ineligibles): 5967 - Valid interviews Part 1: 2350 (AAPOR response rate=39.4%) - Valid interviews Part 2: 1774 (75.5% of the Part 1 valid interviews, 29.7% overall)
Data completeness The variable "complr_wp1" flags the interviews with only 50% to 80% of valid answers in Part 1. Cases with less than 50% of valid answers in Part 1 are not included.
Number of cases 2350
Number of variables 253