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 01.07.2025 to 30.06.2026, the fastest broadband internet in Japan was provided by So-net with an average download speed of 207,2 Mb/s. The highest data upload speed was achieved by So-net (229,1 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 Q2 2026 Award winner 207,2 229,1 15
J:COM 188,2 49,1 26
OCN 127,8 151,2 23
Biglobe 125,8 176,4 20
K-Opticom 125,7 137,2 37
au 108,7 104,3 74
SoftBank 99,0 103,6 31
Rakuten Mobile 39,2 21,8 50
All ISP 110,6 106,4 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 9 Mb/s. The highest data upload speed was recorded with the Rakuten Mobile operator (20,6 Mb/s). The lowest ping was observed with the SoftBank at 36 milliseconds.

Internet Provider download [Mb/s] upload [Mb/s] ping [ms]
SoftBank Q2 2026 Award winner 90,0 16,0 36
Au 68,8 10,4 92
Rakuten Mobile 56,1 20,6 43
IIJ 31,9 9,3 54
Japan Communication 29,9 8,0 64
K-Opticom 25,2 5,9 57
All ISP 59,9 12,8 57

Internet Speed in main cities of Japan

Check internet speed in selected Japan's cities:

Internet Speed worldwide

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