The Japanese mobile phone industry is one of the most advanced in the world. As of March, 2022 there were 199.99 million mobile contracts in Japan[1] according to the Ministry of Internal Affairs and Communications. This is 158 percent of Japan's total population.[2]
The mobile phone industry is currently transitioning to 5G and utilizing new technologies like Fully Virtualized Cloud Native Mobile Network[3] (FVCNMN) currently led by Rakuten mobile.[4] FVCNMN was previously considered impossible to deploy in a big scale.
In Japanese, mobile phone handsets (携帯電話端末, keitaidenwa-tanmatsu) are often referred to as simply keitai denwa (携帯電話) or keitai (携帯) for short.
There are four main mobile network operators (MNO) and a series of mobile virtual network operators (MVNO) which work by renting out a portion of the network of a MNO and providing a services on top of them.
Operator
Contracts Q3 2021
Q2 2021
Q3 2020
NTT Docomo
36.6%
-0.1
-0.3
KDDI Group
27.1%
-0.1
-0.3
SoftBank
20.9%
-0.2
-0.5
Rakuten Mobile
2.2%
+0.2
+1.4
Other MVNO
13.2%
+0.0
-0.2
^"Announcement of Quarterly Data on the Number of Telecommunications Service Contracts and Market Share (FY2021 Q3 (End of December)) | Press Release". MIC ICT Policy. Archived from the original on 2022-08-29. Retrieved 2022-08-29.
^"Statistics Bureau Home Page/Statistical Handbook of Japan 2021". www.stat.go.jp. Archived from the original on 2021-10-23. Retrieved 2022-08-29.
^Cite error: The named reference :1 was invoked but never defined (see the help page).
^楽天モバイル. "楽天モバイル". network.mobile.rakuten.co.jp (in Japanese). Archived from the original on 2022-08-26. Retrieved 2022-08-29.
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