As of October 2018, Yahoo Japan was the most used website in Japan, with approximately million monthly active users on average. The top three websites all had a reach of over ** million people, encompassing about half of the total Japanese population. The leading messenger Line was close to the ** million mark.
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Nielsen Digital Co., Ltd.. (December 25, 2018). Most popular websites and online services in Japan as of October 2018, by monthly active users (MAU) (in millions) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 25, 2026, from /statistics/1071192/japan-most-popular-websites-online-services-by-monthly-active-users/
Nielsen Digital Co., Ltd.. "Most popular websites and online services in Japan as of October 2018, by monthly active users (MAU) (in millions)." Chart. December 25, 2018. ÌÇÐÄÆÆ½â°æ. Accessed July 25, 2026. /statistics/1071192/japan-most-popular-websites-online-services-by-monthly-active-users/
Nielsen Digital Co., Ltd.. (2018). Most popular websites and online services in Japan as of October 2018, by monthly active users (MAU) (in millions). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 25, 2026. /statistics/1071192/japan-most-popular-websites-online-services-by-monthly-active-users/
Nielsen Digital Co., Ltd.. "Most Popular Websites and Online Services in Japan as of October 2018, by Monthly Active Users (Mau) (in Millions)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 25 Dec 2018, /statistics/1071192/japan-most-popular-websites-online-services-by-monthly-active-users/
Nielsen Digital Co., Ltd., Most popular websites and online services in Japan as of October 2018, by monthly active users (MAU) (in millions) ÌÇÐÄÆÆ½â°æ, /statistics/1071192/japan-most-popular-websites-online-services-by-monthly-active-users/ (last visited July 25, 2026)
Most popular websites and online services in Japan as of October 2018, by monthly active users (MAU) (in millions) [Graph], Nielsen Digital Co., Ltd., December 25, 2018. [Online]. Available: /statistics/1071192/japan-most-popular-websites-online-services-by-monthly-active-users/