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.

Speed Test

Broadband Internet Providers results based on real users tests performed through ethernet or Wi-Fi connection.

Mobile Internet Providers results based on real users tests performed in mobile apps through 3G, 4G or 5G connections.

How do we create the statistics?

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Broadband Internet in Japan

For the period from 01.10.2025 to 30.09.2026, the fastest broadband internet in Japan was provided by So-net with an average download speed of 219,8 Mb/s. The highest data upload speed was achieved by So-net (240,7 Mb/s). The lowest ping was recorded with the So-net at 15 milliseconds.

Internet Provider download [Mb/s] upload [Mb/s] ping [ms]
So-net Q3 2026 Award winner 219,8 240,7 15
J:COM 198,2 55,2 25
OCN 148,4 175,5 24
K-Opticom 131,1 143,9 36
Biglobe 130,6 179,2 20
au 117,7 111,7 72
SoftBank 109,2 114,4 29
Rakuten Mobile 42,2 22,4 49
All ISP 117,8 114,0 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 95,6 Mb/s. The highest data upload speed was recorded with the Rakuten Mobile operator (20,3 Mb/s). The lowest ping was observed with the SoftBank at 36 milliseconds.

Internet Provider download [Mb/s] upload [Mb/s] ping [ms]
SoftBank 95,6 14,7 36
Au 68,4 10,5 90
Rakuten Mobile 55,2 20,3 43
IIJ 34,0 10,1 53
K-Opticom 25,0 6,2 58
All ISP 60,2 12,9 57

Internet Speed in main cities of Japan

Check internet speed in selected Japan's cities:

Internet Speed worldwide

Check internet speed worldwide.

Check Internet speed in top Asian countries

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