Electorate of the parties by age 1995-2011 
Electorate of the parties by education 1995-2011 
Electorate of the parties by income (own estimate) 1995-2011 
Definitions/comments
Question wording: “At the last election for the Federal Council, which party received most of your votes?” Party names: see list of abbreviations.
Income: “How would you rate your household’s income in relation to the Swiss average?”
Answer categories: ‘below average’, ‘about average’, ‘above average’.
Sample size: Selects 1995: 1900, 2000: 1999, 2003: 5891, 2007: 4410, 2011: 4391.
Source: Selects 1995, 1999, 2003, 2007 and 2011. Apart from usual weightings, data are weighted according to the official election result.
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