Sumio Mabuchi

Here's what got me about Sumio Mabuchi: the man was a civil engineer before he was a politician, and honestly that reframes the whole thing for me. So many politicians traffic in pure talk, but Mabuchi studied civil engineering, worked at Mitsui Construction, and later ran the transport and infrastructure ministry himself. Nara-born, trained in engineering at Yokohama National University, then he jumps into politics, which takes a kind of nerve I respect. Not the showiest guy in the room, but the kind you'd trust to actually check the math.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Sumio Mabuchi is a Japanese politician and civil engineer born on August 23, 1960, in Nara City, Nara Prefecture. He studied at Yokohama National University before building a career as a civil engineer and then transitioning into politics. After working at Mitsui Construction and as a company director, he entered the House of Representatives and served as Minister of Land, Infrastructure, Transport and Tourism until January 2011.

Name (English)

Sumio Mabuchi

Name (Japanese)

馬淵澄夫

Reading

まぶち すみお

Born

August 23, 1960 (age 66)

Origin

Nara City, Nara Prefecture, Japan

Occupation

Civil Engineer / Engineer / Politician

Zodiac / Chinese zodiac

Virgo / Rat

University

Yokohama National University

• Official sitehttps://mabuti.net/
• Instagramhttps://www.instagram.com/sumio_mabuchi/
• Xhttps://x.com/mabuchi_sumio
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E9%A6%AC%E6%B7%B5%E6%BE%84%E5%A4%AB
• Wikidatahttps://www.wikidata.org/wiki/Q388496

Tags

• From Nara Prefecture
• Civil Engineer
• Engineer
• Politician

Last updated

October 18, 2026

Only publicly available facts are listed; non-public or unconfirmed items are omitted. Base data was compiled from Wikidata from June 2026 onward; ages are recalculated daily and deaths are checked against Wikidata on an ongoing basis. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.