According to a survey conducted in South Korea in 2025 among mobile messenger users, ** percent of surveyed mobile messenger users stated that they use KakaoTalk. It was by far the most used messenger service in South Korea.Â
KakaoTalk’s massive user base
In South Korea, almost every person with access to the internet and a suitable device is using KakaoTalk. In 2025, domestic user numbers amounted to over ** million active users. Over the years, user numbers have only increased, with only one major fluctuation being recorded in 2018. The popularity of the messenger app has also stretched to other countries. Including its domestic users, KakaoTalk’s user base breached the 50-million mark back in 2018.Â
What other Kakao Corp. services are commonly used? 
Kakao Corporation, the internet-based company running KakaoTalk, offers numerous services. Many of these can be accessed via the messenger app itself and include services related to navigation, transportation, entertainment, and finances. In fact, the mobile banking service Kakao Bank attracted millions of users by the end of 2024 despite being only established as a digital bank in 2017.Â
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NASMEDIA. (May 27, 2025). Most popular mobile messaging apps in South Korea as of January 2025 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 23, 2026, from /statistics/980547/south-korea-most-used-messaging-apps/
NASMEDIA. "Most popular mobile messaging apps in South Korea as of January 2025." Chart. May 27, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 23, 2026. /statistics/980547/south-korea-most-used-messaging-apps/
NASMEDIA. (2025). Most popular mobile messaging apps in South Korea as of January 2025. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 23, 2026. /statistics/980547/south-korea-most-used-messaging-apps/
NASMEDIA. "Most Popular Mobile Messaging Apps in South Korea as of January 2025." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 27 May 2025, /statistics/980547/south-korea-most-used-messaging-apps/
NASMEDIA, Most popular mobile messaging apps in South Korea as of January 2025 ÌÇÐÄÆÆ½â°æ, /statistics/980547/south-korea-most-used-messaging-apps/ (last visited July 23, 2026)
Most popular mobile messaging apps in South Korea as of January 2025 [Graph], NASMEDIA, May 27, 2025. [Online]. Available: /statistics/980547/south-korea-most-used-messaging-apps/