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This statistic shows a timeline with the amount of monthly active LINE users worldwide as of the fourth quarter of 2016. As of that period, the mobile messaging app recorded 217 million monthly active users (MAU).

The Japanese messenger app LINE was developed by engineers at NHN Japan, an arm of the South Korean Naver Corporation, in response to damaged telecommunications infrastructure nationwide in the aftermath of the devastating Tōhoku earthquake in March 2011. It was initially meant as an alternative communication channel for internal company use, but was released to the general public later that year.

Although it was intended as a mobile app for devices such as smartphones and tablet computers, later versions were made available on personal computers. Its main functions are exchanges of text, photo, video and audio messages, as well as performing of free Voice over IP (VoIP) conversations and video conferences, playing games and interacting with both personal connections and public accounts. As of 2012, LINE developed into a social network, with features similar to Facebook, such as a timeline where users can post status updates and other content. The sticker store, where users can create and sell their own LINE chat stickers, is one of LINE’s most popular features among Japanese users.