*Sample size of age groups:
13 to 19 years n=453
20 to 29 years n=817
30 to 39 years n=941
40 to 49 years n=1,134
50 to 59 years n=853
60 to 69 years n=563
70 years and above n=239
**Smart devices included smartphones and tablets.
Original question: "Have you registered or publicized your personal information (full name, date of birth, etc.) or private information (place of origin, academic background, hobbies, etc.) as information for things such as an internet service profile? Please choose those answers that apply."
Citation formats
Share of mobile users who shared their school online Japan 2019, by age
According to a survey conducted in December 2019, almost ** percent Japanese smartphone and tablet users aged 30 to 39 years old had disclosed the school they went to online. The share was about equally high in the case of people in their twenties. A breakdown of all surveyed types of information showed that the most commonly disclosed information among respondents was the user's gender.
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Information-technology Promotion Agency, Japan. (March 17, 2020). Share of mobile device users who disclosed the school they went to on the internet in Japan as of December 2019, by age group [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1188267/japan-share-mobile-device-users-disclose-school-online-by-age-group/
Information-technology Promotion Agency, Japan. "Share of mobile device users who disclosed the school they went to on the internet in Japan as of December 2019, by age group." Chart. March 17, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1188267/japan-share-mobile-device-users-disclose-school-online-by-age-group/
Information-technology Promotion Agency, Japan. (2020). Share of mobile device users who disclosed the school they went to on the internet in Japan as of December 2019, by age group. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1188267/japan-share-mobile-device-users-disclose-school-online-by-age-group/
Information-technology Promotion Agency, Japan. "Share of Mobile Device Users Who Disclosed The School They Went to on The Internet in Japan as of December 2019, by Age Group." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 17 Mar 2020, /statistics/1188267/japan-share-mobile-device-users-disclose-school-online-by-age-group/
Information-technology Promotion Agency, Japan, Share of mobile device users who disclosed the school they went to on the internet in Japan as of December 2019, by age group ÌÇÐÄÆƽâ°æ, /statistics/1188267/japan-share-mobile-device-users-disclose-school-online-by-age-group/ (last visited July 27, 2026)
Share of mobile device users who disclosed the school they went to on the internet in Japan as of December 2019, by age group [Graph], Information-technology Promotion Agency, Japan, March 17, 2020. [Online]. Available: /statistics/1188267/japan-share-mobile-device-users-disclose-school-online-by-age-group/
