Aichi 5th district
legislative district in Japan
Aichi 5th district is a constituency of the House of Representatives in the Diet of Japan (national legislature). It is located in Aichi Prefecture and consists of Nagoya's Nakamura and Nakagawa wards and the city of Kiyosu. As of 2016, 428,423 eligible voters were registered in the district.
Nagoya is considered a "Democratic kingdom" (minshu ōkoku), a stronghold of the Democratic Party of Japan (DPJ). But Aichi's 5th district is the only electoral district in Nagoya (Aichi 1 to 5) that also contains areas outside Nagoya. In the landslide "postal privatization" election of 2005, it became the first district in Nagoya that the long-ruling Liberal Democratic Party (LDP) could win since the introduction of single-member districts in 1996: Liberal Democrat Takahide Kimura won narrowly against the Democratic incumbent Hirotaka Akamatsu who was then only reelected in the Tōkai proportional representation block. Akamatsu had represented Aichi's 5th district since 1996 and regained the seat in the 2009 general election. He was Minister of Agriculture, Forestry and Fisheries in the Hatoyama Cabinet. In 2012, he lost the district by less than 2,000 votes to Liberal Democrat Kenji Kanda. Akamatsu regained the district in 2014 and held it until 2021.
This brief starts where responsible research should: with the source description of “Aichi 5th district” as legislative district in Japan. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as legislative district in Japan. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Sep 17, 2026. The linked authority identifier is Q4696554. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2016, 2005, 1996 and 2009.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Aichi 5th district”, its source revision and the description used here.
- Expand the search: follow Aichi 5th district primary sources, Aichi 5th district archive and Aichi research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Aichi 5th district”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Aichi 5th district” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.