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This inaugural OTT Messaging Forecast predicts how the number of mobile and fixed registered users, monthly active users, and annual messaging traffic will grow in eight regions and 67 countries between 2016 and 2020.


  • Ovum forecasts that total annual mobile OTT messaging traffic will more than double between 2015–20, increasing from 30.99 trillion messages in 2015 to 68.81 trillion messages in 2020, representing a CAGR of 17.3%.

Features and Benefits

  • Enables clients to assess the take-up and use of OTT messaging in multiple markets.
  • Compares growth rates for OTT messaging in multiple markets.

Key questions answered

  • How many OTT messaging active users are there globally?
  • How much traffic will the users of OTT messaging apps generate over the next five years?
  • Which markets will experience the highest growth in OTT messaging users and traffic over the next five years?
  • Which region or country has the most OTT messaging users and traffic?

Table of contents


  • Introduction
  • Download 1: OTT Messaging Forecast: 2016–20

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