[1] The first was held on 20 May on a federal law on health, accident and military insurance, and was rejected by 69.8% of voters.
[1] The second and third were held on 4 November on introducing proportional representation for National Council elections and the direct election and increase in members of the Federal Council.
[1] Both were rejected by a majority of voters and cantons.
[1] The referendums on the changes to the National and Federal Councils were popular initiatives,[1] which required a double majority; a majority of the popular vote and majority of the cantons.
[2] Full cantons counted as one vote, whilst half cantons counted as half.