Worldwide Quarterly PC Tracker
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IDC's Worldwide Quarterly PC Tracker® fills the growing demand for detailed, timely, and accurate information on the global PC market. It provides insightful analysis, quarterly market share data, and a five-year quarterly forecast by country. The core of the product is a comprehensive electronic database detailing changes and trends in the highly competitive PC market. IDC's Worldwide Quarterly PC Tracker is built on the foundation of IDC's network of country-level quarterly PC tracking services, and its bottom-up methodology delivers an accurate view of the PC market from those closest to it.

Technology Coverage and Data Segmentation for Historical PC Data

This tracker provides total market size and vendor share for the following technology areas and segmentations. Measurement for this tracker is in unit shipments value and average selling price.

Technologies and subtechnologies:

  • Product category: Desktop PC, portable PC, mini notebook PC, all-in-one PC, traditional desktop PC, traditional notebook PC, ultraslim notebook PC, and convertible notebook PC
  • Product detail: <13in., 13in., 14in., 15in., 16in.+, all-in-one PC, convertible notebook PC, mini notebook PC, small form factor PC, tower PC, traditional desktop PC, traditional notebook PC, ultrasmall form factor PC (All-in-one PC screen sizes also span from 15in. to 29in. for historical data.)
  • Quarterly shipments and end-user spending from 1995 through a rolling five-year forecast
  • Price band, processor brand, processor vendor
  • 800+ vendors and 1,000+ product brands

User segmentations and sales channel:

  • Channels: Retailer, vendor direct — relationship, vendor direct — transactional, dealer/VAR/SI, vendor direct — Internet, telco, vendor direct — store, etailer, others
  • Segments: Consumer, small office (1–9 employees), small business (10–99 employees), medium-sized business (100–499 employees), large business (500–999 employees), very large business (1,000+ employees), government, education

Geographic Scope

  • Asia/Pacific (excluding Japan) available by 16 countries
  • Canada
  • Central/Eastern Europe available by 16 countries
  • Japan
  • Latin America available by 16 countries
  • Middle East/Africa available by 26 countries
  • United States
  • Western Europe available by 16 countries

Forecast Coverage

Forecasts for this tracker are updated quarterly and include historical data back to 1995, up to two years of quarterly forecasts, and an additional three years of annual market projections. Forecasts are available at the worldwide, regional, and country levels outlined previously. Forecast details are made for unit shipment, value, and average selling price and also include:

  • Product category: Desktop PC, portable PC
  • Product: Traditional desktop PC, all-in-one PC, mini notebook PC, ultraslim notebook PC, traditional notebook PC
  • Channels: Same as above
  • Segments: Same as above


This tracker is delivered on a quarterly basis via Excel pivot tables and/or a Web-based query tool. For a complete delivery schedule, please contact an IDC sales representative. Deliverables for this tracker are:

  • Preliminary top 5 vendor data
  • Preliminary top 10 vendor data
  • One-hour-long telebriefing of preliminary market results
  • Historical database and analysis published
  • Historical data add-on products published (expanded price bands, segment by channel, touch PC, OS)
  • Forecast database and analysis published
  • Forecast data add-on products published (price band forecast, installed base, segment by channel forecast, product detail forecast, touch PC forecast, OS forecast)

IDC's Tracker Methodology

IDC's tracker data is developed using a rigorous methodology that includes well-planned and well-coordinated local, regional, and worldwide data cross-checks combined with a proprietary advanced data consolidation and analysis data platform managed by IDC's Worldwide Tracker organization. Data sources used in the process of determining IDC's tracker numbers include, but are not limited to:

  • In-country local vendor interviews
  • Distribution data feeds
  • Worldwide and regional vendor guidance
  • ODM data
  • In-country local channel partner discussions
  • Import records
  • Feedback from component suppliers
  • Vendor briefings and public financial reports

Enabling Better Business Decisions Across the Organization

IDC trackers provide the accurate and timely market size, vendor share, and forecast information you need to identify market and product expansion opportunities, increase revenue, and win market share. IDC's tracker research is a critical input to the planning and monitoring cycles of the business process. Common uses of the tracker data include:

Planning Process

  • Regional, state or city-level planning — setting regional, country, state or city-level sales targets based on market opportunity
  • Product marketing — creating a product strategy and road map based on currently available product features and expected growth
  • Production planning — using customer demand data as an input in the creation of production schedules
  • Product portfolio planning — accessing accurate and detailed data as an input into the product development process

Monitoring Process

  • Performance measurement — comparing vendor performance on prior fiscal periods
  • Competitive analysis — reviewing competitor performance across multiple dimensions: product, features, channel, segment, geography
  • Sales forecasting measurement — assessing internal sales forecast versus actual results
  • Price benchmarking — comparing vendor versus market pricing data by model
  • Marketing communications — using positive results for messaging in the press, at partner events, or in sales collateral

IDC's Global Tracker Process at Work


Meet the Experts
Loren Loverde
Program Vice President, Worldwide PC Tracker