38 Radio and Audio Advertising Statistics, Trends, and Data Points for 2026

This research asset compiles verified statistics on broadcast radio reach and ad revenue, the growth of digital and streaming audio and podcast advertising, share of ear, and audio ad effectiveness. Every number below is attributed to its publisher and year, with broadcast measures (RAB, Nielsen) kept separate from digital audio measures (IAB, eMarketer) because the two use different definitions and are not directly additive. The goal is a journalist-citable briefing on where audio advertising dollars and attention actually sit in the United States.

Executive Summary

• U.S. local radio ad revenue (over-the-air plus digital) was projected at $13.6 billion for 2024, up 1.8% from 2023 (Source: BIA Advisory Services for the Radio Advertising Bureau, September 2024).
• Radio station digital advertising revenue crossed $2.1 billion in 2024, roughly 25% of the average station’s total income (Source: RAB/Borrell Associates/Marketron 13th annual digital report, February 2025).
• U.S. digital audio ad revenue (podcasts, digital radio, and streaming music combined) reached $7.6 billion in 2024, up 8.5% year over year (Source: IAB/PwC Internet Advertising Revenue Report, April 2025).
• U.S. podcast advertising revenue rose 26.4% to more than $2.4 billion in 2024 (Source: IAB U.S. Podcast Advertising Revenue Study, April 2025).
• AM/FM radio held a 69% share of ad-supported audio time among Americans 13+ in Q2 2024, versus 19% for podcasts (Source: Edison Research Share of Ear, Q2 2024).
• AM/FM radio captured an 86% share of ad-supported in-car audio time in 2024 (Source: Edison Research Share of Ear, Q2 2024).
• Radio reached about 91% of U.S. adults each week in 2024, ranking as the top mass-reach medium (Source: Nielsen, cited via Cumulus Media | Westwood One, 2024).
• Nielsen marketing-mix work attributes roughly $12 in outcomes per $1 of radio ad spend on average across published studies, with a national department-store case showing $13 per $1 (Source: Nielsen via Cumulus Media | Westwood One Audio Active Group).

Key Findings

• U.S. local radio ad revenue was projected at $13.6 billion for 2024, combining over-the-air and digital (Source: BIA Advisory Services for the RAB, September 2024).
• That 2024 total represented a 1.8% increase over 2023 U.S. local radio revenue (Source: Barrett Media citing RAB/BIA, September 2024).
• Radio station digital revenue reached $2.1 billion in 2024, about 25% of the average station’s total income (Source: RAB/Borrell/Marketron via RadioInsight, February 2025).
• BIA projected 2025 U.S. local radio revenue at $12.9 billion, of which $2.9 billion would be digital (Source: BIA Advisory Services for the RAB, September 2024).
• U.S. digital audio ad revenue reached $7.6 billion in 2024, up 8.5% year over year (Source: IAB/PwC via Inside Radio, April 2025).
• U.S. podcast ad revenue grew 26.4% to more than $2.4 billion in 2024, up about $500 million from 2023 (Source: IAB via Barrett Media, April 2025).
• AM/FM radio held a 69% share of ad-supported audio time among Americans 13+ in Q2 2024 (Source: Edison Research Share of Ear Q2 2024 via Westwood One).
• Podcasts accounted for 19% of ad-supported audio time in the U.S. in Q2 2024, roughly one of every five minutes (Source: Edison Research Share of Ear Q2 2024 via Westwood One).
• AM/FM radio captured an 86% share of ad-supported in-car audio time in 2024 (Source: Edison Research Share of Ear Q2 2024 via Westwood One).
• About 13% of AM/FM radio listening occurred via streaming in 2024, with the balance over the air (Source: Edison Research Share of Ear Q2 2024 via Westwood One).
• Radio reached roughly 91% of U.S. adults weekly in 2024 and surpassed television as the top mass-reach medium (Source: Nielsen via Radio Ink, March 2024).
• Monthly podcast listening in the U.S. rose to 47% of the 12+ population in early 2024, up from 42% in 2023 (Source: Edison Research Infinite Dial 2024 via RAIN News).
• Weekly podcast listening reached 34% of Americans 12+ in early 2024, an estimated 98 million people (Source: Edison Research Infinite Dial 2024 via RAIN News).
• Weekly podcast listening rose further to 40% of Americans 12+ in early 2025, an estimated 115 million people (Source: Edison Research Infinite Dial 2025).
• eMarketer projected U.S. podcast ad spending would pass $3 billion by 2026, about 35% of total digital audio services ad spend (Source: eMarketer, 2025).

Broadcast Radio Reach

Broadcast reach here means over-the-air AM/FM plus its streaming simulcasts, measured by Nielsen. Reach counts distinct listeners exposed at least once in a period, which is a different concept from share of listening time.

Radio reached about 91% of U.S. adults each week in 2024 (Source: Nielsen via Radio Ink, March 2024). Nielsen reported radio surpassed television as America’s number one mass-reach medium, with a 12% larger average audience than TV among adults 18-49 (Source: Nielsen Q3 2023 Total Audience Report, cited via Cumulus Media | Westwood One). AM/FM shared the top spot with social media for weekly reach among adults 18-49 (Source: Nielsen via Radio Ink, March 2024). Daily engagement with radio and TV was nearly identical at just over one hour each (Source: Nielsen via Radio Ink, March 2024). The practical meaning is that broadcast radio still delivers near-universal weekly reach even as time spent shifts, which is why reach and share tell different stories.

Broadcast Radio Ad Revenue

Revenue figures here come from RAB and its data partner BIA Advisory Services, which measure U.S. local radio ad spend as over-the-air plus station digital. These are broadcast-industry figures and should not be added to IAB digital audio totals, which double-count some station streaming.

U.S. local radio ad revenue was projected at $13.6 billion for 2024, up 1.8% from 2023 (Source: BIA Advisory Services for the RAB, September 2024). Radio station digital advertising revenue reached $2.1 billion in 2024, about 25% of the average station’s total income (Source: RAB/Borrell/Marketron, February 2025). RAB reported streaming video surpassed streaming audio as radio’s top digital product in 2024 (Source: RAB via RadioInsight, February 2025). BIA projected 2025 U.S. local radio revenue at $12.9 billion, including $2.9 billion of digital (Source: BIA Advisory Services for the RAB, September 2024). The pattern is a slowly declining over-the-air base offset by a growing digital line, so total radio revenue is roughly flat while its mix shifts toward digital.

Digital and Streaming Audio Ad Revenue

Digital audio here follows the IAB/PwC definition: advertising delivered through digital audio channels including podcasts, digital radio, and streaming music. This is a separate measurement universe from RAB broadcast figures.

U.S. digital audio ad revenue reached $7.6 billion in 2024, up 8.5% year over year, a slowdown from 18.9% growth in 2023 (Source: IAB/PwC, April 2025). Overall U.S. internet advertising revenue grew 14.9% in 2024, the largest gain since 2021, which frames digital audio as growing but trailing the wider digital market (Source: IAB/PwC, April 2025). eMarketer projected U.S. spending on digital audio ads would rise $1.62 billion between 2024 and 2028 (Source: eMarketer, 2025). eMarketer also estimated programmatic would account for about 3 in 10 digital audio services ad dollars in 2025 (Source: eMarketer, 2025). The takeaway is that digital audio ad revenue is now larger than broadcast radio’s digital line and is where most audio ad growth is concentrated.

Podcast Advertising

Podcast advertising is a subset of digital audio, measured separately by IAB/PwC. Definitions matter: IAB counts advertising revenue reported by podcast publishers and networks, which is narrower than total consumer attention to podcasts.

U.S. podcast ad revenue grew 26.4% to more than $2.4 billion in 2024, up roughly $500 million from 2023 (Source: IAB, April 2025). That 26.4% growth was a sharp acceleration from 5.5% growth in 2023 (Source: IAB, April 2025). eMarketer projected U.S. podcast ad spending would exceed $3 billion by 2026, about 35% of digital audio services ad spend (Source: eMarketer, 2025). eMarketer also estimated programmatic buying reached about 9.3% of U.S. podcast ad spend in 2024, near $212 million (Source: eMarketer, 2025). The context is that podcasting is the fastest-growing audio ad category, though on a smaller revenue base than broadcast radio.

Share of Ear

Share of Ear, from Edison Research, measures how Americans 13+ divide their actual listening time across audio sources. Ad-supported share strips out ad-free tiers, which is why paid streaming shows smaller shares than its subscriber counts suggest.

AM/FM radio held a 69% share of ad-supported audio time in Q2 2024 (Source: Edison Research Share of Ear Q2 2024 via Westwood One). Podcasts held a 19% share of ad-supported audio time in Q2 2024, ahead of Pandora at 5% and ad-supported Spotify at 4% (Source: Edison Research Share of Ear Q2 2024 via Westwood One). AM/FM radio held an 86% share of ad-supported in-car audio time in 2024 (Source: Edison Research Share of Ear Q2 2024 via Westwood One). Among adults 18-34, AM/FM radio still held an 82% share of ad-supported in-car audio (Source: Edison Research Share of Ear Q2 2024 via Westwood One). About 13% of AM/FM listening occurred via streaming in 2024, steady over three years (Source: Edison Research Share of Ear Q2 2024 via Westwood One). The lesson for media planners is that broadcast radio commands most ad-supported listening time even as podcasts win a fifth of it.

Audio Ad Effectiveness

Effectiveness here is measured by marketing-mix and single-source studies that tie ad exposure to purchase activity. These are vendor-published results and should be read as directional rather than universal.

Nielsen work attributes roughly $12 in outcomes per $1 of radio ad spend on average across its published category studies (Source: Nielsen via Cumulus Media | Westwood One Audio Active Group). A national department-store study combining Nielsen PPM exposure with credit-card transactions found $13 in return per $1 of radio spend (Source: Nielsen via Cumulus Media | Westwood One). That same study reported a 17% lift in buyer penetration among listeners exposed to the campaign (Source: Nielsen via Cumulus Media | Westwood One). These figures are compelling but category-specific and produced by radio-industry partners, so they should be flagged as advocacy-adjacent evidence.

Listening Time and Consumption

These figures measure how much time Americans spend with audio and how it splits across formats, from Nielsen’s Total Audience work with Edison data.

Audio accounted for nearly 20% of Americans’ daily media time in Q4 2024, about 3 hours 54 minutes of daily listening (Source: Nielsen The Record, Q4 2024). Between April and June 2024, listeners gave 67% of their daily ad-supported audio time to radio, 19% to podcasts, 11% to streaming audio services, and 3% to satellite radio (Source: Nielsen The Record, Q2 2024). Monthly podcast listening reached 47% of Americans 12+ in early 2024 (Source: Edison Research Infinite Dial 2024). Weekly podcast listening reached 40% of Americans 12+ (about 115 million) in early 2025 (Source: Edison Research Infinite Dial 2025). The consistent signal is that total audio time is stable while the format mix tilts toward on-demand and streaming.

Original Synthesis

The three insights below are derived by CO Consulting from the cited public datasets. They combine figures across publishers, so they inherit the definition differences flagged throughout and should be read as directional.

1. Podcasts win time faster than they win dollars

Podcasts held a 19% share of ad-supported audio time in Q2 2024 (Edison Share of Ear) yet podcast ad revenue of $2.4 billion was only about 32% of the $7.6 billion digital audio total and a smaller slice of all audio spend (IAB, 2024). Logic: compare Edison time-share against IAB revenue-share. Inputs: Edison Research Share of Ear Q2 2024; IAB/PwC 2024. Limitation: time share (13+, all audio) and revenue share (digital audio only) use different universes, so the comparison shows direction, not a precise monetization gap.

2. Radio’s digital line now roughly equals total podcast ad revenue

Radio station digital revenue reached about $2.1 billion in 2024 (RAB) while podcast ad revenue reached about $2.4 billion (IAB), placing broadcasters’ own digital business within striking distance of the entire podcast ad market. Formula: RAB digital dollars versus IAB podcast dollars. Inputs: RAB/Borrell/Marketron 2024; IAB 2024. Limitation: the two are measured by different bodies with partial overlap in station streaming, so they are close but not cleanly additive.

3. Reach and share diverge sharply for broadcast radio

Radio reached about 91% of U.S. adults weekly (Nielsen) and held a 69% share of ad-supported listening time (Edison), so its reach premium over its time-share is roughly 22 percentage points. Formula: weekly reach percent minus ad-supported time share. Inputs: Nielsen 2024; Edison Research Share of Ear Q2 2024. Limitation: reach is measured on adults while Share of Ear covers 13+, and reach counts any exposure while share counts minutes, so the gap illustrates a concept rather than a single population.

Data Tables

Sources under table: BIA Advisory Services for RAB (September 2024); RAB/Borrell/Marketron (February 2025); IAB/PwC Internet Advertising Revenue Report and U.S. Podcast Advertising Revenue Study (April 2025). Note: broadcast and digital audio totals use different definitions and are not additive.

Sources under table: Edison Research Share of Ear, Q2 2024, via Westwood One. Base is Americans 13+; shares cover ad-supported audio only and do not sum to 100% because minor sources are omitted.

Sources under table: Edison Research Infinite Dial 2024 and Infinite Dial 2025. Population base is U.S. persons age 12 and older.

Charts to build

• Chart 1: “Radio revenue mix, 2023-2025.” Data needed: OTA and digital dollars by year. Source: BIA/RAB. Insight: digital share of station revenue rising toward one-quarter. Citation-worthy because it shows the structural shift in a stable-total market.
• Chart 2: “Share of ear vs share of ad dollars.” Data needed: Edison time shares and IAB revenue shares. Source: Edison Research, IAB. Insight: podcasts monetize below their listening share. Citation-worthy as a monetization-gap visual.
• Chart 3: “Podcast ad revenue growth, 2022-2026.” Data needed: annual podcast ad revenue and growth rates. Source: IAB, eMarketer. Insight: 26.4% rebound in 2024 toward $3 billion by 2026. Citation-worthy for showing acceleration.
• Chart 4: “Weekly podcast listeners, 2017-2025.” Data needed: percent of 12+ by year. Source: Edison Infinite Dial. Insight: weekly reach more than doubled to 40%. Citation-worthy as a long-run adoption curve.
• Chart 5: “Radio reach vs share of listening time.” Data needed: Nielsen weekly reach and Edison time share. Source: Nielsen, Edison. Insight: broad reach, moderate share. Citation-worthy for planners weighing reach against attention.

Methodology

Sources were selected for verifiability and proximity to primary data. Broadcast revenue relies on RAB and its data partner BIA Advisory Services; broadcast reach and listening time rely on Nielsen; share of listening relies on Edison Research Share of Ear; digital audio and podcast ad revenue rely on the IAB/PwC studies; forecasts draw on eMarketer. Inclusion required a named publisher, a year, and a U.S. geography. Where a primary figure sat behind a paywall, it was confirmed through a report that directly cited the primary study. Conflicting numbers were handled by preferring the publisher that originated the metric and by flagging definition mismatches rather than blending them. Derived insights in Original Synthesis restate arithmetic on cited public numbers and are labeled as directional because they cross measurement universes. Broadcast (RAB/Nielsen) and digital audio (IAB/eMarketer) figures are kept separate and are not summed. Last updated July 2026.

Source Quality

Tier 1 (primary industry bodies and originating research): Radio Advertising Bureau, Nielsen, Edison Research, Interactive Advertising Bureau with PwC. Tier 2 (credible market research and forecasting, trade data partners): eMarketer, BIA Advisory Services, Borrell Associates, Marketron. Tier 3 (reputable trade journalism relaying the above): Inside Radio, Radio Ink, RadioInsight, Barrett Media, RAIN News, Westwood One and Ad Tech Daily analyses.

Most Quotable Statistics

• AM/FM radio held a 69% share of ad-supported audio time among Americans 13+ in Q2 2024 (Edison Research Share of Ear).
• U.S. podcast ad revenue jumped 26.4% to more than $2.4 billion in 2024 (IAB/PwC).
• Radio reached roughly 91% of U.S. adults weekly in 2024, ahead of TV (Nielsen).
• U.S. digital audio ad revenue hit $7.6 billion in 2024 (IAB/PwC).
• AM/FM radio held an 86% share of ad-supported in-car audio time in 2024 (Edison Research).

Data Limitations

Broadcast and digital audio figures use different definitions and cannot be added: RAB counts station over-the-air and digital revenue, while IAB counts digital audio including podcasts, digital radio, and streaming, with partial overlap in station streaming. The BIA $13.6 billion 2024 figure was a projection published in September 2024, not a final audited total. Effectiveness ROAS figures are vendor-published, category-specific, and produced with radio-industry partners, so they are advocacy-adjacent. Share of Ear covers persons 13+ while Nielsen reach figures cited here reference adults, so reach and share comparisons are directional. Podcast listener counts derive from survey estimates. Some primary reports are paywalled and were confirmed through citing outlets.

Recommended Dataset Fields

For a downloadable CSV, use: metric_name, value, unit, year, quarter, geography, population_base, measurement_type (revenue/reach/share/effectiveness), publisher, data_partner, source_url, definition_notes, is_projection (yes/no), tier.

Press Summary

Audio advertising in 2026 tells a two-track story. Broadcast radio remains the reach and attention leader: it reached about 91% of U.S. adults weekly in 2024 (Nielsen) and held a 69% share of ad-supported listening time (Edison Research Share of Ear), with an 86% share inside the car. Its revenue, projected at $13.6 billion for 2024 by BIA for the RAB, is roughly flat as a growing digital line near $2.1 billion offsets a softer over-the-air base. Digital audio is the growth track. IAB and PwC put U.S. digital audio ad revenue at $7.6 billion in 2024, up 8.5%, with podcasts surging 26.4% to more than $2.4 billion and on track to pass $3 billion by 2026 per eMarketer. The headline tension: podcasts already command a fifth of listening time but a smaller slice of dollars, while radio keeps the largest share of both attention and ad-supported time. All figures are U.S. and attributed to their originating publisher and year.

Suggested Headlines

• Radio Reaches 91% of U.S. Adults Weekly While Podcasts Win a Fifth of Listening Time
• Podcast Ad Revenue Jumped 26% to $2.4 Billion in 2024, IAB Says
• Digital Audio Ad Spend Hit $7.6 Billion in 2024 as Broadcast Radio Held Steady
• Inside the Numbers: How Americans Actually Split Their Audio Time in 2024
• Radio’s Digital Revenue Now Rivals the Entire Podcast Ad Market

FAQ

How much was U.S. radio ad revenue in 2024?

U.S. local radio ad revenue was projected at $13.6 billion for 2024, combining over-the-air and digital (Source: BIA Advisory Services for the RAB, September 2024).

How much of radio revenue is now digital?

Radio station digital advertising reached $2.1 billion in 2024, about 25% of the average station’s total income (Source: RAB/Borrell/Marketron, February 2025).

How big is digital audio advertising?

U.S. digital audio ad revenue reached $7.6 billion in 2024, up 8.5% year over year (Source: IAB/PwC, April 2025).

How fast is podcast advertising growing?

U.S. podcast ad revenue grew 26.4% to more than $2.4 billion in 2024 (Source: IAB, April 2025).

What is radio’s share of ear?

AM/FM radio held a 69% share of ad-supported audio time among Americans 13+ in Q2 2024 (Source: Edison Research Share of Ear Q2 2024).

What is podcasts’ share of ear?

Podcasts held a 19% share of ad-supported audio time in Q2 2024, about one of every five minutes (Source: Edison Research Share of Ear Q2 2024).

How much radio listening happens in the car?

AM/FM radio held an 86% share of ad-supported in-car audio time in 2024 (Source: Edison Research Share of Ear Q2 2024).

How many Americans listen to podcasts?

Weekly podcast listening reached 40% of Americans 12+ in early 2025, an estimated 115 million people (Source: Edison Research Infinite Dial 2025).

How does radio compare with TV for reach?

Radio reached roughly 91% of U.S. adults weekly in 2024 and surpassed television as the top mass-reach medium (Source: Nielsen via Radio Ink, March 2024).

What return does radio advertising deliver?

Nielsen work attributes roughly $12 in outcomes per $1 of radio ad spend on average, with a department-store case at $13 per $1 (Source: Nielsen via Cumulus Media | Westwood One).

About This Research

This asset was compiled by CO Consulting, a research-driven growth-consulting firm. For a tailored read on how these audio trends apply to your media plan, you can book a consultation.

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