What is Amazon's biggest earner?

Amazon's largest source of revenue comes from its online stores, which generated an impressive $247.0 billion in 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 retail market. Following online sales, third-party seller services also contribute significantly, accounting for $156.1 billion or 24.5% of total revenue. This segment includes fees from sellers who utilize Amazon's marketplace to reach customers. Additionally, advertising services have emerged as a vital revenue stream, bringing in $56.2 billion, which is about 8.8% of the overall revenue. While physical stores and other segments contribute smaller amounts, the overwhelming majority of Amazon's earnings are derived from its online operations, underscoring the company's strong position in the digital retail landscape.