Kōichi Watanabe

Japanese politician
Person human Q11562188
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Summary

Kōichi Watanabe was born on November 25, 1957[1], in Tokyo[2]. He died on September 17, 2026[3]. He worked as a politician[4] and dentist[5]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (2,080 views/month, #7,299 of 1,000,298).[6]

Key Facts

  • Country of citizenship: Japan[7]
  • Native language: Japanese[8]
  • Position held: member of the House of Representatives of Japan[9], city mayor of Japan[10], Vice-Minister of Internal Affairs[11], Parliamentary Vice-Minister of Cabinet Office[12], Parliamentary Vice-Minister for Internal Affairs and Communications[13]
  • Educated at: Health Sciences University of Hokkaido[14]
  • Sex or gender: male[15]
  • Member of political party: Liberal Democratic Party[16]
  • Cause of death: cerebral contusion[17]
  • Family name: Watanabe[18]
  • Given name: Kōichi[19]
  • Official website: http://watanabekoichi.jp/[20]
  • Manner of death: natural causes[21]
  • Languages spoken, written or signed: Japanese[22]
  • Name in native language: 渡辺孝一[23]
  • Name in kana: わたなべ こういち[24]
  • Candidacy in election: 2017 Japanese general election[25]
  • Writing language: Japanese[26]
  • P14411: 46096[27]
  • P14555: c2e7f849b7194fcb7b57cc805a191918[28]

Why It Matters

Kōichi Watanabe is known by 9 alternative names across languages and contexts.[29]

FAQs

Where was Kōichi Watanabe born?

Kōichi Watanabe was born in Tokyo[2].

What did Kōichi Watanabe do for work?

Kōichi Watanabe worked as a politician[4] and dentist[5].

Where did Kōichi Watanabe go to school?

Kōichi Watanabe was educated at Health Sciences University of Hokkaido[14].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [15] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [9] ↑ . kouhosha.info. kouhosha.info. Provenance: wikidata.org.
  5. [10] ↑ . watanabekoichi.jp. Retrieved . watanabekoichi.jp. Provenance: wikidata.org.
  6. [11] ↑ . kantei.go.jp. kantei.go.jp. Provenance: wikidata.org.
  7. [12] ↑ . Retrieved . wikidata.org.
  8. [13] ↑ . Retrieved . wikidata.org.
  9. [14] ↑ . watanabekoichi.jp. Retrieved . watanabekoichi.jp. Provenance: wikidata.org.
  10. [16] ↑ . wikidata.org.
  11. [8] ↑ . wikidata.org.
  12. [4] ↑ . wikidata.org.
  13. [5] ↑ . wikidata.org.
  14. [17] ↑ . wikidata.org.
  15. [1] ↑ . wikidata.org.
  16. [3] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . kouhosha.info. kouhosha.info. Provenance: wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . kouhosha.info. kouhosha.info. Provenance: wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [6] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [29] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Kōichi Watanabe. Retrieved October 16, 2026, from https://4ort.xyz/entity/k-ichi-watanabe-q11562188
MLA “Kōichi Watanabe.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/k-ichi-watanabe-q11562188.
BibTeX @misc{4ortxyz_k-ichi-watanabe-q11562188_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kōichi Watanabe}}, year = {2026}, url = {https://4ort.xyz/entity/k-ichi-watanabe-q11562188}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kōichi Watanabe — https://4ort.xyz/entity/k-ichi-watanabe-q11562188 (retrieved 2026-10-16)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8d ago · Pudox · 2026-10-10 view diff on Wikidata ↗
    Wikipedia languages → ['en', 'ja', 'vo']
    Sitelink count → 3
    Position held → member of the House of Representatives of Japan, city mayor of Japan, member of the House of Representatives of Japan +3
    Cause of death → cerebral contusion
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-single-property-add:1||2 */ Position held, peploop: add position from en.wikipedia (rev 1378368069) ([[:toollabs:editgroups/b/CB/6c47bfe35d|details]])"
  2. 4w ago · Ryamogeni · 2026-09-17 view diff on Wikidata ↗
    Manner of death → natural causes
    "/* wbsetclaim-create:2||1 */ Manner of death: natural causes"
  3. 4w ago · ならちゃん · 2026-09-17 view diff on Wikidata ↗
    Date of death → +2026-09-17T00:00:00Z
    "/* wbsetclaim-create:2||1 */ Date of death: 17 September 2026"
  4. 8w ago · ならちゃん · 2026-08-20 view diff on Wikidata ↗
    P14555 → c2e7f849b7194fcb7b57cc805a191918
    P14411 → 46096
    "/* wbcreateclaim-create:1| */ P14555: c2e7f849b7194fcb7b57cc805a191918, #quickstatements; #temporary_batch_1787246416004"
  5. 22w ago · ならちゃん · 2026-05-11 view diff on Wikidata ↗
    Languages spoken, written or signed → Japanese
    Date of birth → +1957-11-25T00:00:00Z
    Place of birth → Tokyo
    Country of citizenship → Japan
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||ko */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31165|batch #31165]]: Kōichi Watanabe"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.