Amazon's longest-ever Prime Day, spanning four days from July 8-11, has spurred an estimated $23.8 billion in U.S. online sales, lifting the entire e-commerce sector as rival retailers launched competing promotions.

Oct 2, 2025
Source:
Reuters
Record $23.8B in Online Spending
Amazon’s 2025 Prime Day sales event has driven an estimated $23.8 billion in U.S. online spending. This figure reflects the event's massive influence not just on Amazon but across the entire e-commerce landscape.
The total includes revenue from competing retailers that ran parallel sales events to capture a share of the heightened consumer demand.
A Four-Day Shopping Event
This year’s Prime Day was the longest in its history, running for 96 hours from July 8 to July 11. According to an official announcement from Amazon, the expanded four-day format was a strategic move to extend customer engagement.
The extension provided more time for shoppers to find deals and diluted the impact of shorter, competing sales from rivals.
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Source:
The Business of Fashion
Inside Prime Day's Strategy
Access to the deep discounts and promotions during Prime Day remained an exclusive benefit for Amazon Prime members.
Exclusive Access for Members
A Prime membership, which starts at $14.99 per month or $139 per year, was required to participate. This model reinforces the value of the Prime ecosystem, which bundles fast shipping, streaming, and other services. More details on membership can be found on Amazon's Frequently Asked Questions page.
Rapid-Fire Deals
A key feature this year was the introduction of "Today’s Big Deals," which were themed, daily deal drops from popular brands.
Featured Brands: Samsung, Kiehl’s, and Levi’s were among the highlighted names.
High Frequency: During peak periods, new deals were released as often as every five minutes, encouraging shoppers to check the site frequently.
Broad Categories: Discounts spanned over 35 categories, including electronics, apparel, home goods, and back-to-school supplies.
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Source:
GlobeNewswire