Unofficial information. Confirm with your official election office.

Map the GeneralUnofficial election guide

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Prefecture (県)

千葉県

Chiba Prefecture

Last updated: October 17, 2026. Unofficial information. Confirm with your official election office (総務省).

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Population
6,258,512
1 October 2025. Preliminary outline of 29 May 2026. Not the later final count.
House proportional block
南関東
The Ministry’s table gives this block 23 seats. That is the block, not this prefecture alone.

Where this page sits

The regional tier in this release is the prefecture. Municipalities, and the House of Representatives single-member districts, do not have pages yet.

Article 92 says the organisation of local public bodies is fixed by law under the principle of local autonomy. Article 93 says each has an assembly and that residents directly elect the chief executive and the assembly members. The Ministry describes separate elections for prefectural governors, prefectural assembly members, municipal mayors, and municipal assembly members.

Government

Gap. The governor’s name, the assembly’s party totals, and the next polling day are not printed here. The sources read on 17 October 2026 say the chief executive and the assembly members of a local public body are elected, and that an election caused by the end of a term is held within 30 days before the term ends. Those sources do not print each prefecture’s term-end date.

Municipalities

Gap. Municipality pages and single-member district pages are not in this release. Article 93 of the Constitution says a local public body has an assembly and that residents directly elect the chief executive and the assembly members. The Ministry’s account treats local public bodies as prefectures and municipalities.

Previous and next rows in the census outline

Sources