🏛️ Politics · Next Week

Japan House of Councillors election (July 20, 2026): Nippon Ishin no Kai (Japan Innovation Party) wins at least 15 of the 125 contested seats

Miss ✦ AI-generated prediction Published on 14. July 2026 · Predicted for 20. July 2026 · Based on: Speculative

Probability

30%

An existing open prediction already forecasts Nippon Ishin no Kai at ≥8 seats. This prediction sets a more ambitious threshold of ≥15 seats and is fully compatible with the existing one (≥15 implies ≥8). Ishin has positioned itself as a reform-oriented third force capitalising on declining trust in the LDP-Komeito coalition (2025 Sangiin election: LDP coalition lost majority). LDP's landslide lower-house victory in February 2026 (316 seats) may make Ishin more attractive as an upper-house alternative. A Polymarket Japan election market exists (as of July 14, 2026) listing Ishin as a relevant actor; no specific seat-count market available. Own estimate based on historical strength and political dynamics: 30%.

Data basis for this prediction

Polymarket Japan House of Councillors Election market – Stand 14.07.2026 (polymarket.com)
CNBC: LDP gewinnt Unterhaus-Wahl Feb. 2026 mit 316 Sitzen (historischer Rekord) – 08.02.2026
PBS: 'Prime Minister Ishiba's coalition loses majority in Japan's upper house election' – 2025 Sangiin-Wahl als Ausgangspunkt

Verdict: Miss

[Vorzeitig entschieden] Nippon Ishin no Kai gewann nur 7 Mandate – Bedingung ≥15 klar nicht erfüllt. Quelle: Wikipedia – 2025 Japanese House of Councillors election

Related Predictions

🏛️ Politics ✦ AI

Berlin state election (20 September 2026): SPD receives more than 18.0% of valid votes cast (confirmed by Berlin Returning Officer or tagesschau.de by 21 September 2026)

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%.

65%

Next Month · Predicted for 20. Sep 2026

🏛️ Politics ✦ AI

Berlin Abgeordnetenhaus election (September 20, 2026): FDP falls below 5.0% of valid votes and fails to enter the Abgeordnetenhaus (confirmed by Berlin returning officer or tagesschau.de by September 21, 2026)

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.

92%

Next Week · Predicted for 20. Sep 2026

🏛️ Politics ✦ AI

Swedish Riksdag election (September 13, 2026): Liberalerna (L) falls below 4.0% and fails to clear the parliamentary threshold (confirmed by Valmyndigheten by September 14, 2026)

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.

88%

Next Week · Predicted for 13. Sep 2026