• Mobile messaging users worldwide 2025

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In 2021, an estimate of 3.09 billion mobile phone users accessed over-the-top messaging apps to communicate. This figure is projected to grow to 3.51 billion users in 2025. At the beginning of 2021, WhatsApp was the most popular mobile messenger app worldwide. The messaging service had accumulated over two billion monthly active users.

Number of mobile phone messaging app users worldwide from 2018 to 2025 (in billions)

Characteristic	Number of users in billions
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Release date

September 2021

More information

Region

Worldwide

Survey time period

2018 to June 2021

Supplementary notes

2018 data from previous publications.

*Forecast as of July 2021.

According to the source: "Mobile phone users of any age who use an over-the-top (OTT) messaging app via mobile phone (browser or app) at least once per month:[...] excludes anonymous social sharing apps (e.g. Whisper), social networking apps that offer private messaging capabilities as a secondary feature (e.g. Instagram, Twitter), and apps that solely provide OTT voice/video calling."