Top 8 Mattresses in Japan
This curated ranking covers the 8 largest mattresses in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Tempur-Pedic, Serta (company) and Sealy Corporation lead the list with a combined estimated audience of 417,808 people. Across all 8 entries the average audience size is 56,824, and the largest, Tempur-Pedic, reaches around 207,859 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each mattresses, derived from search demand signals. Rankings reflect search-behavior signals collected across Japan and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Tempur-Pedic |
207,859 | 3.5% | Mattresses | Home & Garden |
| 2 |  Serta (company) |
126,320 | 4.6% | Mattresses | Home & Garden |
| 3 |  Sealy Corporation |
83,629 | 3.6% | Mattresses | Home & Garden |
| 4 |  Spring Air Company |
18,273 | 3.4% | Mattresses | Home & Garden |
| 5 |  Forty Winks |
15,229 | 3.1% | Mattresses | Home & Garden |
| 6 |  SEALY MATTRESS |
2,919 | 0.5% | Mattresses | Home & Garden |
| 7 |  Ortho Mattress |
246 | 0.0% | Mattresses | Home & Garden |
| 8 |  Sleep Experts |
117 | 0.3% | Mattresses | Home & Garden |
Frequently asked questions
How is this Top 8 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan and ranks each mattresses by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest mattresses in Japan?
Tempur-Pedic currently leads with an estimated audience of 207,859 people in Japan.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across Japan. Lists below 5 entries are not published. See methodology for full details.