Constitutional Democratic Party of Japan (CDPJ / Rikken Minshutō) wins more than 20 of 125 contested House of Councillors seats (July 20, 2026 election)
Pending
✦ AI-generated prediction
Published on 19. July 2026
·
Predicted for 20. July 2026
·
Based on: Statistical Pattern
CDPJ as the main opposition party benefits from the LDP's historic collapse (proportional vote share 21.6%). Pre-election surveys for 2026 project 23–33 seats for CDPJ. Tactical switchers, union mobilization, and a coordinated opposition strengthen the party. In the 2025 reference election CDPJ won 22 seats — under 2026 conditions with a further-weakened LDP, exceeding 20 mandates is likely.
Data basis for this prediction
- Sangiin-Wahlumfragen Juli 2026: CDPJ projiziert auf 23–33 Sitze
- Wikipedia: 2025 Japanese House of Councillors Election — CDPJ: 22 Sitze, LDP-Stimmenanteil 21,6%
- IPU Parline: Japan House of Councillors Election 2025 (Referenzresultate)
Verdict: Pending
This prediction is still open. It will be evaluated automatically against real-world sources after its due date.
🏛️ Politics
✦ AI
Left-alternative Reiwa Shinsengumi (Tarō Yamamoto) is benefiting from the LDP's historic collapse in trust. In the 2025 Sangiin vote the party won 3 seats; in the February 2026 lower-house election it drew ~2.92% of the PR vote. With further strengthened anti-establishment sentiment and targeted social-policy demands (minimum wage, debt relief), 4–6 seats is plausible. No Polymarket odds available; NHK seat models project a 4–6 seat range.
🏛️ Politics
✦ AI
The EU has adopted 16 Russia sanctions packages since February 2022, most recently the 16th package in January 2026. The average interval between packages in 2025/2026 was approximately 4–5 months — by this cadence, the 17th package would be due in May–August 2026. Political drivers: ongoing hostilities (Russia struck Kyiv with 41 missiles and 125 drones on July 18–19, 2026), active shadow-fleet enforcement, third-country circumvention crackdown, and sustained pressure from the Baltics and Poland. Potential delay due to domestic coalition issues in individual member states (notably Hungary). No Polymarket market.
🏛️ Politics
✦ AI
On 3 November 2026, 34 Senate seats are contested. Polymarket places the probability of Democrats flipping the Senate at approximately 44% (Republicans retain ~56%, $3.2M volume). Clearly distinct from the existing 'Democrats win the House' prediction (Polymarket ~83-86%); Senate and House races historically often decouple. Democrats benefit from anti-Trump fatigue but must defend comparatively more vulnerable seats. This prediction anchors to the Polymarket estimate of ~44% without significant deviation.