expression

market share

a company's portion of total sales in its market

In Business & Marketing

In more detail

the percentage of total sales in a particular market that a company or product controls

Examples

Apple's market share in smartphones has grown significantly over the past decade.
The company aims to increase its market share by launching new products.

How to use market share

Market share is a key business metric used to measure a company's competitive standing within an industry. It is expressed as a percentage and indicates the company's sales relative to total industry sales. The term is most common in business reports, marketing analyses, and investor communications.

Common phrases

gain market share
lose market share
increase market share
market share growth
dominant market share
capture market share

Synonyms

market portion · market segment · competitive position · sales proportion

A common mistake

Learners sometimes treat 'market share' as a countable noun (saying 'a market share' or 'market shares' in plural), when it is typically used as a mass noun in singular form or with specific percentages or fractions.

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