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This forecast projects tablet volume sales and installed base by OS and access technology for nine regions and 19 key countries. We define a tablet as a mobile computing device with a screen size of 7 to 13 inches that uses touchscreen technology as its primary input method.


  • Ovum expects some market growth in the next five years, with tablet unit sales increasing from 220 million units in 2015 to 239 million units in 2020, corresponding to a CAGR of 1.5%.

Features and Benefits

  • Forecasts the size of the tablet market across 19 countries and nine regions
  • Evaluates the future adoption of Android, iOS, and Windows 10 in the tablet market
  • Assesses embedded cellular connectivity adoption in tablets

Key questions answered

  • Will there be renewed interest and growth in the tablet market?
  • What is the size of the iPad installed base in key countries?

Table of contents


  • Introduction
  • Download 1: Tablet Forecast: Sales and Installed Base by OS, 2015–20

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