Overview
- The bill targets a reduction of at least 45 of the current 465 seats, setting a cap of 420 seats in the House of Representatives.
- If cross-party talks fail to reach agreement within one year, 25 single-seat constituencies and 20 proportional representation seats would be cut automatically.
- A government redistricting council would draft and submit a new district map within a year if the automatic cuts are triggered.
- The ruling bloc seeks passage in the Diet session ending Dec. 17 as opposition parties and some LDP lawmakers denounce the process as reckless.
- The Japan Innovation Party pressed for the deadline-and-trigger mechanism, and the coalition aims to pair seat cuts with broader electoral system reform.