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market share

American

noun

Economics.

the specific percentage of total industry sales of a particular product achieved by a single company in a given period of time.

market share British

noun

the percentage of a total market, in terms of either value or volume, accounted for by the sales of a specific brand

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

market shares

plural

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Even Tesla, which helped spark China’s EV boom, has seen its market share decline there.

From The Wall Street Journal • Jul. 1, 2026

The announcement could help Philip Morris win back market share that it has lost to competitors “with broader flavor and strength lineups,” Baptista added.

From Barron's • Jun. 30, 2026

BAT says this has fuelled an influx of illegal Chinese products, weighing on its sales and market share.

From BBC • Jun. 29, 2026

According to Counterpoint Research, Meta commanded 84% of global market share for smart glasses in the first quarter of 2026.

From MarketWatch • Jun. 27, 2026

Their client, Christian Brothers, wanted to know why, after years of being the dominant brand in the category, it was losing market share to E & J. Their brandy wasn’t more expensive.

From "Blink" by Malcolm Gladwell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023