Gartner Research

Market Definitions and Methodology: IT Markets

Published: 16 August 2017

ID: G00296937

Analyst(s): Deborah Neitz Daily


The research methodologies, segmentation, definitions and metrics used for forecast and market share statistics are detailed and updated in this report.

Table Of Contents

What You Need to Know

Notable Changes



  • Market Share and Market Sizing Methodology
  • Forecast Methodology
    • Forecast Methodology Overview
  • Business Value-Add Forecast Approach
  • How to Use Market Share and Forecast Statistics
  • Publications
    • Market Share Publications
    • Forecast Publications
    • Vendor Revenue Profiles


  • Exchange Rates
    • Current- and Constant-Dollar Reporting

High-Level Definitions and Segmentation

  • Overall IT
  • Enterprise IT Spending
  • Future Data Model Segmentation
  • Product/Service Category
  • Geography
  • Vertical Industry
    • Vertical Industry Market Segmentation
  • Size of Business
  • Frequently Asked Questions

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