Core Insights - Amazon's advertising on Prime Video has reached 315 million monthly viewers, an increase from 200 million in April 2024, highlighting significant growth in its ad-supported audience [1][2] Audience Reach - The 315 million figure represents an unduplicated average monthly active ad-supported audience across various content types, including original and licensed series, films, live sports, and free ad-supported channels on Prime Video [2] - This reach estimate is based on internal data from Amazon covering September 2024 to August 2025, with some variations based on local launch dates [2] Advertising Strategy - Prime Video introduced ads across all programming in 2024, allowing subscribers to skip ads by opting into a premium tier [3] - The company has been actively enhancing its video ad efforts, including a major upfront event in New York each May and forming various deals for its demand-side platform [3] Financial Performance - In the third quarter, Amazon's total ad revenue increased by 24% year-over-year, reaching $17.7 billion, although specific metrics for Prime Video's ad revenue are not disclosed [4] International Expansion - Prime Video has launched advertising in 16 countries, including the U.S., Australia, Brazil, Canada, France, Germany, India, Italy, Japan, Mexico, New Zealand, the Netherlands, Spain, Sweden, and the UK [5] - Jeremy Helfand, VP of Prime Video Advertising, described the 315 million viewer milestone as transformative, emphasizing the convergence of premium entertainment, engaged viewers, and innovative ad technology [5]