Berlin state election (September 20, 2026): Die Linke receives the most votes and becomes the strongest party
Hit
✦ AI-generated prediction
Published on 14. September 2026
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Predicted for 20. September 2026
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Based on: Ongoing Event
In the Berlin Abgeordnetenhaus election on September 20, 2026, Die Linke receives the most votes of any party. Polymarket assigns 67% win probability to Die Linke (total volume ~$3.7M, as of September 14, 2026). Current polls: Linke 20.7%, CDU 19.9%, AfD 17.8%, Greens 16.1%, SPD 12.1%. The lead over CDU is only ~0.8 percentage points — within the margin of error. Own estimate slightly below Polymarket given last-minute voter movement uncertainty.
Data basis for this prediction
- Polymarket: Die Linke gewinnt Berliner Abgeordnetenhauswahl — 67 % (Stand 14.09.2026, Vol. ~3,7 Mio. USD)
- Polymarket: Gesamtpool Berlin Abgeordnetenhauswahl 2026 — CDU 22 %, AfD 12,7 % (Stand 14.09.2026)
- PolitPro / Wikipedia Umfrageschnitt Berlin, 14.09.2026: Linke 20,7 %, CDU 19,9 %, AfD 17,8 %, Grüne 16,1 %
- Landeswahlleiter Berlin: Wahltermin 20.09.2026 (offizielle Quelle)
Verdict: Hit
Die Linke wurde bei der Berliner Abgeordnetenhauswahl am 20. September 2026 tatsächlich stärkste Kraft mit 25,7 % der Stimmen – ein Plus von +13,5 Prozentpunkten gegenüber 2023. Dahinter folgten CDU (18,8 %), AfD (16,3 %), Grüne (14,3 %) und SPD (12,1 %). Allerdings fiel der Sieg deutlich klarer aus als die engen Umfragen (Linke ~20,7 %, CDU ~19,9 %) suggeriert hatten: Der tatsächliche Vorsprung auf die CDU betrug rund 6,9 Prozentpunkte statt der prognostizierten ~0,8 Punkte. Die Vorhersage der Parteistärke (stärkste Partei) ist eingetreten. Quellen: Wikipedia 'Wahl zum Abgeordnetenhaus von Berlin 2026', bpb.de 'Die Linke wird erstmals stärkste Kraft', Al Jazeera 'Far left wins Berlin state election' (20.09.2026).
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