Amazon.com, Inc. (AMZN) vs Walmart Inc. (WMT)

Amazon.com Inc. is a leading global e-commerce retailer and marketplace for third-party sellers. Retail-related operations account for about 74% of total revenue, followed by Amazon Web Services at 17% and advertising services at 9%. International business represents 22% of overall revenue, with Germany, the United Kingdom, and Japan serving as the company’s largest foreign markets.

Founded in 1962, Walmart Inc. has grown into the world’s largest retailer, operating more than 10,700 stores worldwide, including about 4,600 Walmart locations in the United States and roughly 600 Sam’s Club warehouses, while continuing to expand its e-commerce business. The company serves around 270 million customers each week and generated over $680 billion in fiscal 2025 revenue. Walmart’s operations are organized into three reporting segments: Walmart U.S., which accounted for 68% of fiscal 2025 sales, Walmart International at 18%, and Sam’s Club at 14%. In the U.S., nearly 60% of Walmart’s $465 billion in fiscal 2025 revenue came from grocery sales, with about one-quarter generated by general merchandise. Internationally, the company’s business is primarily concentrated in Mexico, with additional emerging exposure to India.