Top 50 Swimmings in Japan
This curated ranking covers the 50 largest swimmings in Japan, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 53 swimmings tracked in Japan, the 50 ranked here account for the largest measured audience reach. Speedo, Swimming World Magazine and michael phelps lead the list with a combined estimated audience of 211,784 people. Across all 50 entries the average audience size is 7,038, and the largest, Speedo, reaches around 150,637 people in Japan. Audience size is the estimated number of unique people in Japan who actively engage with each swimming, 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 |  Speedo |
150,637 | 3.2% | Swimming | Sports |
| 2 |  Swimming World Magazine |
33,906 | 5.2% | Swimming | Sports |
| 3 |  michael phelps |
27,241 | 0.7% | Swimming | Sports |
| 4 |  Federer Roger |
26,070 | 0.6% | Swimming | Sports |
| 5 |  George VI |
20,198 | 0.8% | Swimming | Politics & Society |
| 6 |  Francisco Franco |
12,546 | 0.5% | Swimming | Politics & Society |
| 7 |  FINA World Aquatics Championships |
11,415 | 1.1% | Swimming | Sports |
| 8 |  Katie Ledecky |
11,312 | 1.1% | Swimming | Sports |
| 9 |  Adam Peaty |
8,287 | 0.5% | Swimming | Sports |
| 10 |  Caeleb Dressel |
7,554 | 1.3% | Swimming | Sports |
| 11 |  Michael Chang |
5,984 | 1.7% | Swimming | Sports |
| 12 |  Swimming at the Summer Olympics |
5,249 | 4.0% | Swimming | Sports |
| 13 |  Léon Marchand |
5,031 | 0.4% | Swimming | Sports |
| 14 |  Florent Manaudou |
4,876 | 0.3% | Swimming | Sports |
| 15 |  Swimfin |
3,492 | 0.2% | Swimming | Sports |
| 16 |  Laure Manaudou |
2,277 | 0.2% | Swimming | Sports |
| 17 |  Emma McKeon |
1,582 | 0.7% | Swimming | Sports |
| 18 |  Franziska van Almsick |
1,392 | 0.1% | Swimming | Sports |
| 19 |  Regan Smith |
1,288 | 1.1% | Swimming | Sports |
| 20 |  FINA World Swimming Championships (25 m) |
1,162 | 6.5% | Swimming | Sports |
| 21 |  Elena Dementieva |
1,069 | 1.5% | Swimming | Sports |
| 22 |  Masters swimming |
990 | 0.5% | Swimming | Sports |
| 23 |  Lukas Märtens |
813 | 0.5% | Swimming | Sports |
| 24 |  Janet Lee |
645 | 1.0% | Swimming | Sports |
| 25 |  Florian Wellbrock |
599 | 0.3% | Swimming | Sports |
| 26 |  Jule Niemeier |
514 | 0.1% | Swimming | Sports |
| 27 |  Leonie Beck |
473 | 0.6% | Swimming | Sports |
| 28 |  Anna Elendt |
443 | 0.2% | Swimming | Sports |
| 29 |  Tímea Babos |
383 | 0.5% | Swimming | Sports |
| 30 |  Isabel Gose |
375 | 0.5% | Swimming | Sports |
| 31 |  U.S. Masters Swimming |
361 | 0.3% | Swimming | Sports |
| 32 |  Melvin Imoudu |
348 | 1.8% | Swimming | Sports |
| 33 |  Britta Steffen |
344 | 0.4% | Swimming | Sports |
| 34 |  Paul McNamee |
329 | 1.5% | Swimming | Sports |
| 35 |  Amateur Swimming Association |
321 | 0.3% | Swimming | Sports |
| 36 |  Angelina Köhler |
285 | 0.2% | Swimming | Sports |
| 37 |  Ole Braunschweig |
285 | 2.9% | Swimming | Sports |
| 38 |  Rick Leach |
247 | 1.2% | Swimming | Sports |
| 39 |  ANA ALCAZAR |
232 | 0.1% | Swimming | Fashion & Accessoires |
| 40 |  Alice Marble |
219 | 1.2% | Swimming | Sports |
| 41 |  Łukasz Kubot |
219 | 0.8% | Swimming | Sports |
| 42 |  Sven Schwarz |
219 | 0.7% | Swimming | Sports |
| 43 |  Frédérick Bousquet |
161 | 0.1% | Swimming | Sports |
| 44 |  Andrei Pavel |
160 | 2.5% | Swimming | Sports |
| 45 |  Nenad Zimonjić |
136 | 3.5% | Swimming | Sports |
| 46 |  European Short Course Swimming Championships |
108 | 1.8% | Swimming | Sports |
| 47 |  Lucas Matzerath |
63 | 0.5% | Swimming | Sports |
| 48 |  Ramon Klenz |
31 | 1.5% | Swimming | Sports |
| 49 |  Lita Liem Sugiarto |
26 | 18.0% | Swimming | Sports |
| 50 |  Oliver Klement |
26 | 1.7% | Swimming | Sports |
Frequently asked questions
How is this Top 50 list compiled?
Rascasse aggregates anonymized search-behavior signals across Japan and ranks each swimming 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 swimming in Japan?
Speedo currently leads with an estimated audience of 150,637 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.