What is Amazon's biggest income?

Amazon's largest source of income comes from its online stores, which generated an impressive $247.0 billion in revenue for the fiscal year ending December 31, 2024. This figure represents approximately 38.7% of the company's total revenue, highlighting the dominance of its e-commerce platform in the overall business model. In addition to online sales, Amazon also earns significant revenue from third-party seller services, amounting to $156.1 billion, which accounts for 24.5% of its total revenue. Furthermore, advertising services contribute $56.2 billion, or 8.8%, to Amazon's income, showcasing the company's ability to monetize its vast customer base through targeted advertising. While physical stores generated $21.2 billion, representing only 3.3% of total revenue, it is clear that Amazon's primary income stream remains its online retail operations, supplemented by its growing services and advertising segments.