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Communication services in developed Asia–Pacific: trends and forecasts 2018–2023

27 March 2019 | Research

Stephen Sale Giulio Sinibaldi

Forecast report | PPTX and PDF (15 slides); Excel | Future Comms

"Japanese operators have decided to address the messaging market using rich communication services (RCS); KDDI, NTT DoCoMo and SoftBank simultaneously launched interconnected native RCS."

This report provides an outlook on the mobile communication services market in developed Asia–Pacific (DVAP), including country views for Australia, Japan, South Korea and Taiwan. It provides forecasts for voice and messaging services provided by both mobile network operators and over-the-top (OTT) providers.

This report provides:

  • forecasts for operator services including VoLTE, Wi-Fi calling and IP messaging, as well as traditional voice and messaging services
  • quantification of the level of substitution from traditional services to OTT alternatives
  • user and traffic forecasts for communication services, including OTT voice and messaging
  • an outlook for multi-device usage across smartphones, tablets and PCs/laptops
  • data provided for the region as a whole and for Australia, Hong Kong, Japan, New Zealand, Singapore, South Korea and Taiwan
  • individual profiles for Australia, Japan, South Korea and Taiwan.



Key metrics

Regions covered in this report:

  • Worldwide
  • Developed Asia–Pacific (DVAP)
  • Australia
  • Japan
  • South Korea
  • Taiwan

Forecast results provided in the data annex:

  • Worldwide
  • DVAP region
  • Australia
  • Hong Kong
  • Japan
  • New Zealand
  • Singapore
  • South Korea
  • Taiwan
  • Rest of DVAP region


  • Non-operator/OTT services
    • Voice and messaging
    • Active users by device type
    • Outgoing traffic by device type
  • Operator traditional services
    • Handsets
    • Circuit-switched (CS) voice and SMS
    • Outgoing traffic
  • Operator IP-based services
    • Active users by service type:
      • VoLTE, Wi-Fi calling, IP messaging
    • Outgoing traffic by service type
      • VoLTE, Wi-Fi calling, IP messaging
    • Retail revenue
      • voice and messaging
      • average spend per user

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