
Leading retail online companies in the U.S. 2021, by market share
As of October 2021, Amazon accounted for 41 percent of the U.S. e-commerce market, making it by far the leading online retailer the country. Second place was occupied by the e-commerce site of retail chain Walmart, with a 6.6 percent market share, followed in third place by eBay, with 4.2 percent.





