Survey question: "Please choose the telecommunication operator you currently have a contract with for your main and your secondary device respectively."
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Most popular mobile phone service used with main device Japan 2021
According to a survey conducted in February 2021, ** percent of the respondents in Japan answered that they used docomo as a mobile phone service for their main device, making it the leading service in this regard. It was followed by au (by KDDI), which was used by **** percent.
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MMD Labo. (March 9, 2021). Leading mobile phone service used for main device in Japan as of February 2021 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 22, 2026, from /statistics/1238199/japan-leading-mobile-phone-service-main-device/
MMD Labo. "Leading mobile phone service used for main device in Japan as of February 2021." Chart. March 9, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 22, 2026. /statistics/1238199/japan-leading-mobile-phone-service-main-device/
MMD Labo. (2021). Leading mobile phone service used for main device in Japan as of February 2021. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 22, 2026. /statistics/1238199/japan-leading-mobile-phone-service-main-device/
MMD Labo. "Leading Mobile Phone Service Used for Main Device in Japan as of February 2021." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Mar 2021, /statistics/1238199/japan-leading-mobile-phone-service-main-device/
MMD Labo, Leading mobile phone service used for main device in Japan as of February 2021 ÌÇÐÄÆƽâ°æ, /statistics/1238199/japan-leading-mobile-phone-service-main-device/ (last visited July 22, 2026)
Leading mobile phone service used for main device in Japan as of February 2021 [Graph], MMD Labo, March 9, 2021. [Online]. Available: /statistics/1238199/japan-leading-mobile-phone-service-main-device/
