# Lumiere market research releases in Japan

> Developing situation record from CLSTR: https://clstr.news/situations/lumiere-market-research-releases-in-japan
> Updated: 2026-11-04T05:17:16.000Z. Sources: 2. Developments: 2.

Lumiere Co., Ltd. has released successive market research reports regarding the density of various business sectors across Japan.

An initial report analyzed the barbershop and funeral services industries. It noted that Akita Prefecture holds the highest density of barbershops, while Kagoshima Prefecture leads in funeral home density. Both sectors showed high concentrations in the Tohoku region and Niigata.

Subsequent data focused on the plumbing and men’s clothing retail sectors. In the plumbing industry, Fukui Prefecture recorded the highest density of establishments. Surveyed companies in this sector identified rising costs for materials, labor, and outsourcing as common risks. In the men’s clothing sector, Toyama Prefecture showed the highest density, while Kanagawa Prefecture showed the lowest.

## Timeline

### 2026-11-04: Lumierre releases market data on Japanese plumbing and men's clothing sectors

Lumierre Co., Ltd. published data showing Fukui leads in plumbing establishment density and Toyama leads in men's clothing retail density per 10,000 people in Japan.

2 sources. https://clstr.news/cluster/lumierre-releases-market-data-on-japanese-plumbing-and-mens-clothing-sectors

### 2026-10-26: Lumiere releases market data on Japanese barbershops and funeral homes

Lumiere Co., Ltd. published data showing Akita has the highest barbershop density and Kagoshima the highest funeral home density in Japan.

2 sources. https://clstr.news/cluster/fukui-prefecture-has-highest-density-of-labor-and-social-security-attorney-offices-in-japan

---
Cite as: Lumiere market research releases in Japan. CLSTR, https://clstr.news/situations/lumiere-market-research-releases-in-japan