RETAIL MARKET SHARE
See how consumers are reshaping retail.
The Numerator Retail Market Share tracker, powered by Numerator’s proprietary, zero-party data, explores where consumers are spending and how their choices are shifting market share across the nation’s leading retailers with insights by generation and census region.
Last Updated: Latest 12 Months Ending Q3’2026
Retail Market Share Rankings - CPG
Walmart remains the dominant player within CPG, holding steady at 20.8% market share, while Amazon + Whole Foods and Costco are emerging as the biggest winners, gaining 1.4 and 0.8 percentage points, respectively, over the past two years. Meanwhile, traditional grocers like Kroger, Albertsons, and Ahold Delhaize continue to lose share, with Kroger falling to fourth place behind Amazon + Whole Foods. Smaller value and specialty players, including Aldi and Trader Joe’s, are also seeing modest gains.
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Retail Market Share Rankings - Grocery
Walmart continues to lead the market with a steady 20% share, while Costco and Amazon + Whole Foods have posted the strongest growth, each gaining 0.7 percentage points over the past two years. In contrast, established supermarket chains, including Kroger, Albertsons, and Ahold Delhaize, have experienced consistent share declines, while Publix has maintained its position.
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