The 2027 Schleswig-Holstein state election is scheduled to be held on 18 April 2027 to elect the 21st Landtag, or state parliament, of Schleswig-Holstein in Germany.
Electoral system The Landtag is elected via mixed-member proportional representation. 35 members are elected in single-member constituencies via first-past-the-post voting. 34 members are then allocated using compensatory proportional representation. Voters have two votes: the "first vote" for candidates in single-member constituencies, and the "second vote" for party lists, which are used to fill the proportional seats. The minimum size of the Landtag is 69 members, but if overhang seats are present, proportional leveling seats will be added to ensure proportionality. An electoral threshold of 5% of valid votes is applied to the Landtag; parties that fall below this threshold, and fail to win at least one constituency, are ineligible to receive seats. Parties representing the Danish minority of Southern Schleswig and the Frisians, such as the South Schleswig Voters' Association, are exempt from the threshold.
Opinion polls Polling firm Fieldwork date Samplesize CDU Grüne SPD FDP SSW AfD Linke BSW Others LeadINSA7–14 Jul 20261,000 27171566187–49Infratest dimap8–13 Apr 20261,155 33191245156–614 Federal Parliament election – 27.6 14.9 18.8 4.7 4.0 16.3 7.8 3.4 2.6 8.8INSA13–20 Jan 20251,000 3913164614–3523EP election 9 Jun 2024–30.215.416.76.3–12.22.34.112.813.5INSA6–13 Nov 20231,000 4015166612––524Wahlkreisprognose 24 Sep–2 Oct 20231,000 32.5181459151.5–5 14.5 Infratest dimap 20–25 Apr 2023 1,160 38 17 15 8 7 8 – –7 21 INSA 17–24 Apr 2023 1,000 39 17 16 8 7 7 2 –4 22 2022 state election 8 May 2022 – 43.4 18.3 16.2 6.4 5.7 4.4 1.7 –3.9 25.1
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