If we look at the Gross Merchandise Volume (GMV) of goods sold, Alibaba is the world's largest e-commerce retailer. Its GMV generated in 2020 was $1.2 trillion, while Amazon generated $575 billion. However, if we consider the total revenue from sales of goods, Amazon generates more revenue. In 2021, Amazon had a revenue of $469.8 billion (for the past 12 months ending December 31, 2021), while Alibaba brought in $127.9 billion in revenue in 2021 (for the past 12 months ending September 30, 2021).