ClearConcept — A-Level Revision

Specification Reference

Market Share

Foundation

Plain English

Percentage of total market sales/units held by business.

Formula

Market Share (%) = (Business Sales / Total Market Sales) × 100

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Real World

Apple holds roughly 18% of the global smartphone market by revenue, making it the market leader despite Samsung selling more units — illustrating how share can be measured by value or volume.

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Exam Focus

Always state whether market share is by value or volume; examiners deduct marks for ambiguity.

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