Centro de Investigaciones Sociológicas - CIS
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Chronological list of the presidents of the Institute of Public Opinion (IOP) and the CIS since its foundation in 1963
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The main activity of the CIS for the scientific knowledge of Spanish society is its Studies
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Provisional results of the surveys prepared by the CIS
Complete collection of studies carried out by the institution, including the questions, series, and related documentation.
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Comparative survey on the characteristics of citizenship in Spain
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Procedure for the ‘Initial Deposit Plan of R&D projects with social surveys’
Channel for reporting infringements in the field of actions of the bodies of the Center for Sociological Research
Preview of the results of study 3511 'Social Media Audience Study (II)'
Madrid, 19 June 2025
The preliminary results of study 3511, 'Study on social media audiences (II)' are presented:
- Question frequencies
- Frequencies of questions crossed by sociodemographic variables : sex, age, size of municipality and level of education.
- Frequencies of cross-referenced questions by political variables : voting recall in the 2023 general elections.
- Frequencies of questions crossed by socioeconomic variables : subjective identification of class and occupation.
- Frequencies of questions crossed by belief variables : ideology and religiosity scale.
- Complete documentation in Excel : results and cross-references.
Update: The study is now available for consultation: Go to study
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