The source specifies that the data represents the gross value of products or services sold on the website of each listed company (browser or app), regardless of the method of payment or fulfilment.
Citation formats
Leading U.S. retailers 2021, by online sales growth
Apple was estimated to be the fastest growing online retailer in the United States in 2021. Sales through the technology company's website were forecast to grow by almost ** percent that year. This is ahead of Chewy and even e-commerce giant Amazon.
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eMarketer. (November 9, 2021). Leading companies in the United States in 2021, based on online retail sales growth [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/293128/fastest-growing-e-retailers-in-the-united-states/
eMarketer. "Leading companies in the United States in 2021, based on online retail sales growth." Chart. November 9, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/293128/fastest-growing-e-retailers-in-the-united-states/
eMarketer. (2021). Leading companies in the United States in 2021, based on online retail sales growth. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/293128/fastest-growing-e-retailers-in-the-united-states/
eMarketer. "Leading Companies in The United States in 2021, Based on Online Retail Sales Growth." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Nov 2021, /statistics/293128/fastest-growing-e-retailers-in-the-united-states/
eMarketer, Leading companies in the United States in 2021, based on online retail sales growth ÌÇÐÄÆƽâ°æ, /statistics/293128/fastest-growing-e-retailers-in-the-united-states/ (last visited July 29, 2026)
Leading companies in the United States in 2021, based on online retail sales growth [Graph], eMarketer, November 9, 2021. [Online]. Available: /statistics/293128/fastest-growing-e-retailers-in-the-united-states/
