The KDDI Group accounted for **** percent of mobile phone subscriptions in Japan in 2025. The share slightly increased commpared to the previous year. Next to NTT Docomo, Inc., SoftBank Corp., and Rakuten Mobile, Inc., the KDDI Group is one of the main mobile phone operators in Japan.
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Ministry of Internal Affairs and Communications (Japan). (June 27, 2025). Mobile phone subscription market share of KDDI Group in Japan from 2016 to 2025 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/687591/japan-kddi-mobile-phone-subscription-market-share/
Ministry of Internal Affairs and Communications (Japan). "Mobile phone subscription market share of KDDI Group in Japan from 2016 to 2025." Chart. June 27, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/687591/japan-kddi-mobile-phone-subscription-market-share/
Ministry of Internal Affairs and Communications (Japan). (2025). Mobile phone subscription market share of KDDI Group in Japan from 2016 to 2025. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/687591/japan-kddi-mobile-phone-subscription-market-share/
Ministry of Internal Affairs and Communications (Japan). "Mobile Phone Subscription Market Share of Kddi Group in Japan from 2016 to 2025." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Jun 2025, /statistics/687591/japan-kddi-mobile-phone-subscription-market-share/
Ministry of Internal Affairs and Communications (Japan), Mobile phone subscription market share of KDDI Group in Japan from 2016 to 2025 ÌÇÐÄÆƽâ°æ, /statistics/687591/japan-kddi-mobile-phone-subscription-market-share/ (last visited July 27, 2026)
Mobile phone subscription market share of KDDI Group in Japan from 2016 to 2025 [Graph], Ministry of Internal Affairs and Communications (Japan), June 27, 2025. [Online]. Available: /statistics/687591/japan-kddi-mobile-phone-subscription-market-share/
