The Power of Sound: Digital Audio Advertising by the Numbers
Audio has always been personal—a voice connecting with listeners one-on-one. But digital advancements have transformed it into an even more dynamic, essential medium. Today, audio isn’t just something you tune in or out of—it’s the soundtrack to life.
Digital audio offers endless choices, effortlessly shifting with the listener's mood, activity, or moment. Whether it’s for focus, relaxation, or fun, audio is there. And brands are tuning in, too, seeing audio as a key channel for connection. With innovations like AI, sonic branding, and voice interactivity, audio is becoming central to digital advertising strategies.
The Digital Audio Market is Soaring
Younger audiences flock to streaming and podcasts, driven by personalization and convenience. With AI enhancing discovery, digital audio is seamlessly woven into everyday life. Once underutilized, it's now in the spotlight:
75 percent of the US will listen to digital audio this year. Among ages 12-34, that figure is 90 percent.
154 million US listeners subscribe to streaming audio. This is projected to hit 165 million by 2028.
Digital audio ad revenue is expected to grow 10.9 percent in 2024, reaching $20.72 billion, and could surpass $25.5 billion by 2028.
Podcasting Goes Mainstream
Podcasts have exploded, with listeners growing consistently and ad opportunities expanding:
In 2025, 140.9 million Americans will listen to podcasts monthly.
The average US podcast listener tunes in for 25.5 minutes a day, but daily listeners average over 104 minutes.
Spotify leads the US podcast scene with 43.1 million listeners, outpacing Apple Podcasts.
Audio Advertising Boosts Engagement
In the race for attention, audio has a unique edge. It not only reaches audiences but resonates emotionally:
Audio ads get 50 percent more attention per impression than TV or social media.
Podcast ads have a 71 percent recall rate for brand awareness.
Over 53 percent of smart speaker owners say they’d respond to an ad heard on their device.
AI Elevates Digital Audio
AI is changing how audio ads work, making them more personalized and effective:
73 percent of listeners are open to ads that match their current mood.
AI can analyze a listener’s audio content and serve ads that align with the moment.
Personalized AI-driven ads boost brand favorability by 22 percent.
Digital Audio’s Time is Now
Digital audio is everywhere, shaping our daily lives. For brands, it’s an exciting opportunity to connect meaningfully with listeners. With AI and new innovations on the rise, the future of audio advertising is just getting started.