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Parties Agree to Cut 31 Lower House Seats in Japan

By Drooid · Oct 29, 2026 · How we work

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Summary

The LDP, Japan Innovation Party and Democratic Party for the People agreed to cut 31 Lower House seats.
It adopts a modified Sainte-Lague method that favors small parties.
The plan merges Chugoku and Shikoku PR blocs, reducing blocs to 10.
The parties aim to introduce the bill before the Diet ends Dec 12.
The parties accepted change of cuts, with Japan Innovation Party taking 14 fewer and DPP adding 12 more.

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The LDP, Japan Innovation Party and Democratic Party for the People agreed to cut 31 Lower House seats.
It adopts a modified Sainte-Lague method that favors small parties.
The plan merges Chugoku and Shikoku PR blocs, reducing blocs to 10.
The parties aim to introduce the bill before the Diet ends Dec 12.
The parties accepted change of cuts, with Japan Innovation Party taking 14 fewer and DPP adding 12 more.