In Germany, there are several surveys on voter's preference ("If there were an election next sunday, which party would you vote for"), the so-called "Sonntagsfrage".

Are historical values available? I found this graphical data, but I am looking for numbers, ideally under an open license.

2 Answers 2


Just found the Overview of the Allensbach Institute, which has data at least for the current legislative period. The data can be easily scraped, see for example my R script.

This helps a bit, but if you have another answer, I will accept and upvote yours.

  • What is the license of this one?
    – Nicolas Raoul
    Commented Sep 12, 2014 at 9:11

Wahlrecht.de provides a good list of results of the major survays. Together with the wayback machine it should give you all the available survey data.

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