Swedish Riksdag election (September 13, 2026): Socialdemokraterna (S) receive more than 30.0% of votes cast (confirmed by Valmyndigheten)
Pending
✦ AI-generated prediction
Published on 22. August 2026
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Predicted for 13. September 2026
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Based on: Statistical Pattern
Current seat projection (PolitPro.eu, August 2026): Socialdemokraterna 110 of 349 Riksdag seats = ~31.5% vote share. The open platform prediction that they become the largest single party is already open — >30% is a more specific quantitative threshold, independent of that. At current polling (31.5%), the value exceeds 30%, but with uncertainty: Swedish polls historically have ±2–3% margin of error. If SAP fell to 28–29%, they could still be largest party (if all others are smaller), but the 30% threshold would be missed. Based on current polling, probability ~55%.
Data basis for this prediction
- PolitPro.eu: Riksdag 2026 Sitzprojektion – Socialdemokraterna 110/349 Sitze ≈ 31,5 % (Aug 2026)
- Wikipedia: Opinion polling for the 2026 Swedish general election – SAP führend (Aug 2026)
- Democracy-Pulse.com: Schweden Wahltrends 2026 – SAP stärkste Partei (Aug 2026)
- Valmyndigheten: Offizielle Wahlbehörde Schweden – Ergebnis bestätigt nach 13. September 2026
Verdict: Pending
This prediction is still open. It will be evaluated automatically against real-world sources after its due date.
🏛️ Politics
✦ AI
The SPD received exactly 18.4% in the 2023 Berlin state election and has since been in opposition. Current polls (August/September 2026) put the SPD at 19–22%, making a result above 18.0% likely. Headwinds: ongoing federal political controversy and competition from BSW (which, per existing prediction, is expected below 5%). The 18.0% threshold is just below the 2023 result and would only be missed in a dramatic collapse. No Polymarket market; Metaculus aggregate implies ~65% for SPD above 18%.
🏛️ Politics
✦ AI
Both current Berlin polls place the FDP far below the 5% threshold: INSA (Sept 2–4, 2026): 3.0%; Infratest dimap (Aug 27–31, 2026): FDP below the statistical detectable threshold. The Berlin FDP has not reached the 5% mark in any poll since spring 2026. Clearing the hurdle would require a simultaneous systematic error of 2+ points from both institutes — historically near-unprecedented. This is the highest-confidence prediction of the entire Berlin election.
🏛️ Politics
✦ AI
Current polls show Liberalerna well below the 4% threshold: Indikator Opinion (fieldwork to September 4, 2026): 2.2%; PolitPro election trend (as of September 9, 2026): 2.7%. Neither institute identifies meaningful upward momentum. The party was part of the Tidö coalition but suffered from its image problems. Even with maximum systematic polling error of +1.5 points, Liberalerna would remain below 4.2%. Failing to enter the Riksdag would cost the governing coalition its parliamentary majority.