Internet Speed in Japan

Take a speed test and compare download, upload and ping to other results in Japan.

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

In the third quarter of 2024, the fastest broadband internet in Japan was provided by So-net with an average download speed of 181 Mb/s. The highest data upload speed was achieved by So-net (210,9 Mb/s). The lowest ping was recorded with the So-net at 22 milliseconds.

ISP Download [Mb/s] Upload [Mb/s] Latency [ms]
So-net 181,0 210,9 22
J:COM 173,2 55,9 29
K-Opticom 109,1 117,1 38
au 94,9 92,4 34
Biglobe 92,5 142,0 23
SOFTBANK 74,8 64,1 35
Rakuten Mobile 34,8 20,6 52
All ISP 89,4 86,6 38

Mobile Internet in Japan

During the same quarter, the fastest mobile internet in Japan was delivered by Rakuten Mobile with an average download speed of 70,3 Mb/s. The highest data upload speed was recorded with the Rakuten Mobile operator (21,7 Mb/s). The lowest ping was observed with the SoftBank at 36 milliseconds.

ISP Download [Mb/s] Upload [Mb/s] Latency [ms]
Rakuten Mobile 70,3 21,7 44
SoftBank 68,4 13,7 36
Au 63,4 11,4 42
IIJ 23,4 8,0 119
K-Opticom 22,0 4,9 61
All ISP 55,3 12,1 54

Internet Speed in main cities of Japan

Check internet speed in selected Japan's cities:

Internet Speed worldwide

Check internet speed worldwide.