Internet Speed in Japan
Check who provides the fastest broadband and mobile internet in Japan.
Check who provides the fastest broadband and mobile internet in Japan. Swipe the map and select any country to check the current statistics.
Broadband Internet in Japan
For the period from 01.04.2025 to 31.03.2026, the fastest broadband internet in Japan was provided by So-net with an average download speed of 199,9 Mb/s. The highest data upload speed was achieved by So-net (222,8 Mb/s). The lowest ping was recorded with the So-net at 16 milliseconds.
| Internet Provider | download [Mb/s] | upload [Mb/s] | ping [ms] |
|---|---|---|---|
| So-net Q1 2026 Award winner | 199,9 | 222,8 | 16 |
| J:COM | 172,1 | 42,0 | 26 |
| Biglobe | 125,0 | 178,1 | 20 |
| K-Opticom | 120,4 | 128,6 | 40 |
| au | 103,4 | 98,1 | 72 |
| SoftBank | 92,9 | 96,2 | 31 |
| Rakuten Mobile | 39,2 | 20,9 | 50 |
| All ISP | 104,3 | 99,7 | 43 |
Mobile Internet in Japan
During the same period, the fastest mobile internet in Japan was delivered by SoftBank with an average download speed of 89,9 Mb/s. The highest data upload speed was recorded with the Rakuten Mobile operator (21 Mb/s). The lowest ping was observed with the SoftBank at 36 milliseconds.
| Internet Provider | download [Mb/s] | upload [Mb/s] | ping [ms] |
|---|---|---|---|
| SoftBank Q1 2026 Award winner | 89,9 | 17,1 | 36 |
| Au | 67,5 | 10,4 | 80 |
| Rakuten Mobile | 58,9 | 21,0 | 43 |
| IIJ | 30,1 | 9,0 | 60 |
| Japan Communication | 28,6 | 7,4 | 71 |
| K-Opticom | 23,7 | 5,7 | 57 |
| All ISP | 59,1 | 12,7 | 56 |
Internet Speed in main cities of Japan
Check internet speed in selected Japan's cities:
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