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Top 10 E-Commerce Marketplaces in 2026

Top 10 E-Commerce Marketplaces in 2026

Amazon remains the dominant U.S. marketplace, with an estimated $300 billion in third-party sales, more than seven times eBay's and roughly 20 times that of the next competitors – Temu, TikTok Shop, and Walmart – who now compete in a tight $15-22 billion range.

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Amazon and Shopify Are Now Half of U.S. E-Commerce

Amazon and Shopify Are Now Half of U.S. E-Commerce

Amazon and Shopify together now account for approximately 50% of U.S. e-commerce. Two models each reached maturity at roughly the same time. U.S. e-commerce has quietly organized itself around both, and the space between them is where every other player is now making its case.

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Whatnot Found Live Commerce's Sweet Spot

Whatnot Found Live Commerce's Sweet Spot

Shopping platform Whatnot's rapid growth to multi-billion dollar GMV proves live streaming commerce works when built for entertainment first and conversion second.

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TikTok Shop's First Year in the US

TikTok Shop's First Year in the US

TikTok Shop launched in the U.S. twelve months ago and sold billions worth of goods since. However, the things selling on TikTok and how they become top sellers is counterintuitive.

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Temu Now Ranks as World's No. 2 E-Commerce Site

Temu Now Ranks as World's No. 2 E-Commerce Site

Two years after its launch, Temu overtook eBay to become the world's 2nd most visited e-commerce website.

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66% of Walmart Sellers Use Its Fulfillment Service

66% of Walmart Sellers Use Its Fulfillment Service

Two-thirds of top Walmart marketplace sellers use WFS, a fulfillment service Walmart launched less than five years ago.

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E-Commerce Alone Keeps Retail Sales Growing

E-Commerce Alone Keeps Retail Sales Growing

E-commerce growth is slowing again, but not because shoppers are returning to physical stores. Online shopping accounted for 51 cents of every new dollar spent in retail.

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Amazon's Unhelpful AI Shopping Assistant

Amazon's Unhelpful AI Shopping Assistant

Amazon's AI shopping assistant is great at answering questions about a specific product but cannot help sort through the endless aisles of its infinite catalog.

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Top 5 E-Commerce Marketplaces in 2024

Top 5 E-Commerce Marketplaces in 2024

Amazon, Walmart, and TikTok Shop are the three top marketplaces for U.S. brands. However, if Temu and TikTok achieve their goals this year, they will overtake Walmart in the marketplace ranking.

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Amazon To Launch a Direct-From-China Marketplace

Amazon To Launch a Direct-From-China Marketplace

Amazon will launch a Temu, Shein, and AliExpress competitor featuring low-price items shipped directly from China. Amazon's main quest remains Prime, but it has accepted a new side quest.

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