IAB and PwC report: US podcast ad revenue hit $1.45B in 2021, up 72% YoY, and is expected to grow 47% to $2.13B in 2022 and grow to $4.2B in 2024 Todd Spangler / Variety : Variety 2022-05-10 Todd Spangler IAB, PwC, Todd Spangler Related Coverage Podcast ad revenue could hit $2B in 2022, more than $4B in 2024 AppleInsider U.S. podcasts will rake in $2 billion this year, and $4 billion by 2024 Tubefilter US podcast ad revenue is estimated to grow to a staggering $2 billion in 2022 PhoneArena