B2B ecommerce site sales increased 10.5% YoY in 2024, reaching $2.297 trillion. After a pandemic-era peak of 17.6% YoY in 2020, annual growth rates continue to moderate but remain strong. Ecommerce site sales will grow an average 7.8% YoY from 2024 through 2028, reaching $3.027 trillion by 2028.
- B2B ecommerce takes a bigger share. By 2028, B2B ecommerce will account for 27.5% of electronic sales and 14.3% of total B2B product sales. This is up from 23.7% and 12.0%, respectively, in 2024. Growth is driven by trends in buyer behavior, the convenience of third-party marketplaces, and AI tools offering personalized digital experiences that enhance customer engagement and streamline the procurement process.