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Article History

Accepted: 20 April 2025

First Online: 24 May 2025

Change Date: 8 August 2025

Change Type: Update

Change Details: The original online version of this article was revised: The section heading “5. Turnout in Swiss Referendums” was formatted as a paragraph, and the header ‘Conclusions’ was labeled as section heading 5. As a result the figures 3-6 were placed under the heading ‘Conclusions’ which should be under the original section heading “5. Turnout in Swiss Referendums”. The section headings have been corrected and the figures 3-6 are placed correctly now.

Declarations

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: The authors declare no competing interests.