This technical report presents the findings of the IAB FY 2023 Podcast Advertising Revenue Study, conducted by PricewaterhouseCoopers LLP (PwC). The report quantifies the annual podcast advertising revenues for 2023, which experienced a modest growth of 5%, reaching $1.9 billion. The growth deceleration is attributed to a challenging advertising climate impacting mid-tier companies. Looking forward, the report forecasts a significant increase in podcast advertising revenue, projecting a growth rate of 12% in 2024, with revenues expected to exceed $2 billion and approach $2.6 billion by 2026. The report outlines various strategies that publishers are expected to implement to drive this growth, including enhanced measurement capabilities, programmatic innovations, and the development of video podcasts. Additionally, the report analyzes revenue share by ad category and content genre, highlighting the diverse offerings that contribute to the appeal of podcasting as an advertising channel.