🏛️ Politics · Next Week

Berlin State Parliament Election (September 20, 2026): Voter turnout exceeds 70.0% of eligible voters (confirmed by Berlin State Returning Officer or tagesschau.de by September 21, 2026)

Hit ✦ AI-generated prediction Published on 13. September 2026 · Predicted for 20. September 2026 · Based on: Historical Cycle

Probability

48%

The 2026 Berlin state election occurs amid a historically open coalition landscape: Die Linke leads for the first time at 21–23%, CDU at ~20%, AfD at ~18% (politpro.eu, September 13, 2026) — no classic two-party alliance commands a majority. Such a three-way deadlock historically drives above-average turnout. The regular 2021 Berlin election saw 75.4% participation; the 2023 repeat fell to 63.1% due to special circumstances. For a first-time 2026 election with a high-stakes three-way race, a drop to repeat-election levels is unlikely — most probable range is 67–74%. No specific Polymarket markets found on Berlin turnout.

Data basis for this prediction

Politpro.eu Berlin-Wahlumfragen: Linke 21–23 %, CDU 20 %, AfD 17–18 % (Stand 13. September 2026)
Wahlbeteiligung Berlin 2021 (Erstausgabe): 75,4 % (Landeswahlleiter Berlin, Archiv)
Wahlbeteiligung Berlin-Wiederholungswahl 2023: 63,1 % (Landeswahlleiter Berlin, Archiv)
Wikipedia: 2026 Berlin state election – Polling overview (Stand September 2026)

Verdict: Hit

Die Wahlbeteiligung bei der Abgeordnetenhauswahl Berlin am 20. September 2026 betrug 74,2 % – sie überstieg damit die Schwelle von 70,0 % deutlich. Laut übereinstimmenden Quellen (wahlen-berlin.de, Wikipedia, politpro.eu, berlinspectator.com) entspricht das einem Anstieg von +11,3 Prozentpunkten gegenüber der Wiederholungswahl 2023 (63,1 %) und liegt nahe am Niveau der Wahl 2021 (75,4 %). Die in der Begründung genannte Dreikampfkonstellation (Linke 25,7 %, CDU 18,8 %, AfD 16,3 %) trat ein und mobilisierte die Wählerschaft wie prognostiziert.

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