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The OTT Messaging Forecast: 2018–23 forecasts registered users, monthly active users (MAUs), and traffic (text, picture, video) across mobile and fixed networks. The forecast cover 67 countries in eight regions.


  • Ovum forecasts that unique mobile MAUs of OTT messaging apps will total almost 4 billion by 2023, with most of these users located in Oceania, Eastern and South-Eastern Asia region and specifically, China, where WeChat has already exceeded 1 billion MAUs.
  • Total annual mobile OTT messaging traffic will more than triple between 2018 and 2023, to exceed 120 trillion messages by the end of the forecast period.
  • Ovum forecasts that picture and video messaging will grow at a higher rate over the forecast period than text messaging, as users increasingly use these apps to share content.

Features and Benefits

  • Size the global OTT messaging market in terms of users and traffic.
  • Discover which countries and regions are the largest markets for OTT messaging users and traffic.
  • Compare the growth rate of OTT messaging users and traffic across different regions and markets.

Key questions answered

  • Which country has the most mobile monthly active users of OTT messaging?
  • Which country is generating the highest amount of OTT messaging traffic, across mobile and fixed?
  • How do OTT messaging traffic growth rates compare across regions and markets?

Table of contents


  • Introduction
  • Download 1: OTT Messaging Forecast: 2018–23