This data shows actual connection speeds measured in Japan (including Tokyo, Osaka, and Fukuoka) for eSIMs, physical SIM cards, and roaming. We hope this helps you choose the right plan before your trip or business trip.
| # | Career | Average downhill speed | Average uphill speed | Ping |
|---|---|---|---|---|
| 1 | au (KDDI) | 39.9 Mbps | 12.4 12.4 Mbps | 58 ms |
| 2 | Rakuten Mobile | 32.0 Mbps | 13.0 Mbps | 53 ms |
| 3 | SoftBank | 30.9 30.9 Mbps | 4.4 Mbps | 66 ms |
| 4 | Transatel | 12.2 Mbps | 3.7 Mbps | 105 ms |
| 5 | Orange | 2.7 Mbps | 1.9 Mbps | 284 ms |
| 6 | NTT DOCOMO | 1.7 Mbps | 2.7 Mbps | 59 ms |
| # | Services | Category | Average downhill speed | Average uphill speed | Ping |
|---|---|---|---|---|---|
| 1 | y.u mobile | Local SIM | 60.3 Mbps | 13.8 13.8 Mbps | 70 ms |
| 2 | au (KDDI) | Local SIM | 39.9 Mbps | 12.4 12.4 Mbps | 58 ms |
| 3 | SoftBank | Local SIM | 33.4 Mbps | 3.3 Mbps | 62 ms |
| 4 | Rakuten Mobile | Local SIM | 32.0 Mbps | 13.0 Mbps | 53 ms |
| 5 | Y!mobile | Local SIM | 17.5 17.5 Mbps | 1.7 Mbps | 51 ms |
| 6 | Ubigi | eSIM | 9.7 Mbps | 3.1 Mbps | 101 ms |
| 7 | Orange FR | Roaming | 2.7 Mbps | 1.9 Mbps | 284 ms |
| 8 | ahamo | Local SIM | 1.7 Mbps | 2.7 Mbps | 59 ms |
We have compiled data on internet speeds in Japan (including Tokyo, Osaka, and Fukuoka). Please use the rankings by carrier and service listed above to help you choose a plan before your trip.
The data is based on users' actual measurements and is automatically updated whenever new measurement results are posted.