Centro de Investigaciones Sociológicas - CIS
Powers attributed to the CIS in accordance with article 3 of its Law and its Royal Development Decree
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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.
Integrated extraction of microdata from a set of variables for CIS studies
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Comparative survey on the characteristics of citizenship in Spain
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Open quarterly scientific periodical publication. Spanish Journal of Sociological Research. Submission of manuscripts
Compilation of the main data obtained through opinion barometers carried out over a year by this institution
Publications such as the Spanish Journal of Public Opinion (1965-1977) and dissemination of public opinion studies
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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
Advance on study results 3530 'Barómetro de noviembre 2025'
Madrid, 19 November 2025
Provisional advance results of study 3530 'Barómetro de noviembre 2025':
- Question frequencies / Voting estimate.
- Frequency of questions crossed with social-demographic variables: sex, age, size of municipality and level of studies.
- Frequency of questions crossed with political variables: vote as remembered in 2023 general elections.
- Frequency of questions crossed with socioeconomic variables: subjective social class and occupation.
- Frequency of questions crossed with belief variables: ideology scale and religiosity.
- Complete documentation in Excel: results, crosses and vote estimation.
Update: The study is now available for consultation: Go to study
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