List of Swiss federal referendums
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The List of Swiss federal referendums details all federal referendums held in Switzerland since the establishment of the modern Swiss federal state in 1848. These referendums arise from:
- Popular initiatives (marked with I ),
- Direct counter-proposals to such initiatives (marked with G ),
- Mandatory referendums (marked with O ), or
- Optional referendums (marked with F ).
Since federal popular initiatives always propose amendments to the Federal Constitution (rather than ordinary laws), they require both a majority of the popular vote and a majority of the cantons (known as the double majority) for approval. Six cantons, historically referred to as half-cantons, each carry half a cantonal vote. The same requirement applies to mandatory referendums and direct counter-proposals, as these are triggered by parliamentary amendments to the Constitution (Template error: argument link is required.). Optional referendums, which concern federal laws and certain international treaties, require only a majority of the popular vote for approval (Template error: argument link is required.).
The comprehensive list is organized by decade. Each section begins with links to annual overviews that briefly describe the proposals, followed by links to articles on specific proposals where available.