🏛️ Politics · Next Week

Swedish Riksdag Election (13 September 2026): Social Democrats (S) win the most seats and become the largest party in the Riksdag (confirmed by Valmyndigheten by 14 September 2026)

Hit ✦ AI-generated prediction Published on 8. September 2026 · Predicted for 13. September 2026 · Based on: Historical Cycle

Probability

90%

The latest PolitPro election trend (6 Sep 2026) shows S at 28.7% in first place — ~9 percentage points ahead of Sverigedemokraterna (19.5%) and 11pp ahead of Moderaterna (17.5%). Seat projection gives S 105 of 349 seats. A second-place party closing a 9pp gap in 5 days would be historically unprecedented. No Polymarket market for the 'largest party' outcome specifically. Distinct from the open prediction 'S > 28.0%': this asks about seat rank, not vote share.

Data basis for this prediction

PolitPro Election Trend Schweden: S 28,7 %, SD 19,5 %, M 17,5 % (Stand 6.9.2026)
PolitPro Sitzprojektion: S 105 / SD 72 / M 64 Mandate (Stand 6.9.2026)
Wikipedia: 2026 Swedish general election – opinion polling
val.se: 2026 elections – Riksdag (Schwedische Wahlbehörde)

Verdict: Hit

Socialdemokraterna (S) wurden bei der Riksdag-Wahl am 13. September 2026 tatsächlich zur stärksten Kraft. Laut offiziellen Quellen (Valmyndigheten/val.se, Wikipedia '2026 Swedish general election', Riksdagen.se) gewann S rund 100 Mandate und war in allen Regionen stärkste Partei. Das Mitte-Links-Bündnis unter Magdalena Andersson errang 176 von 349 Mandaten (vs. 173 für den rechten Block). Die Vorhersage – S als mandatsstärkste Partei im Riksdag – ist klar eingetreten.

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