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The National SOM surveys

In order to identify how the evolution of society affects Swedes' attitudes and behaviour, the SOM Institute started its National SOM study in 1986. The resulting time series is unique in its kind.

National SOM addresses three areas – society, opinion and media – and consists of several parallel surveys. All surveys include a large number of questions related to politics, society, media and social background, and every year, the questionnaires are complemented with questions related to current events.

Each partial survey is nationally representative and includes a sample of 3500 individuals aged 16–85. Each questionnaire consists of 12 pages. The surveys are sent out in late September each year and, following a series of reminders distributed via post and telephone, ends December 31st.


Every year, the SOM institute publishes a book in which the researchers present their results and analyses and, as far as possible, discuss observed long-term trends with respect to opinions and media. Each book also includes extensive documentation of the survey per se.

An annual time series report called Swedish trends is avalible in English.

The SOM Institute also publishes a large number of other reports in Swedish. All publications are made available via the SOM Institute's website.

Do you have questions about the national SOM survey?

Please do not hesitate to contact us at info@som.gu.se or 031 - 786 33 00.

Survey Information

The SOM Institute
Seminariegatan 1B

46 (0)31 786 3300

Page Manager: The SOM-institute|Last update: 9/25/2018

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