Are billboards the biggest part of outdoor media?

Short answer

Yes. Large-format billboards accounted for roughly 74.5% of total OOH revenues in Q1 2025, per OAAA quarterly revenue data, making them the dominant segment of outdoor media. Global OOH spending is projected to reach nearly $50 billion, with billboards claiming the largest share of that figure.

How billboards compare to other OOH formats

Out of home advertising covers everything that reaches consumers outside their homes: billboards, transit ads, street furniture, place-based media, and digital out of home screens. Of these, billboards are by far the largest revenue category.

Large-format billboards alone represented approximately 74.5% of total OOH revenues in Q1 2025. Digital OOH as a whole accounts for around 36.3% of total OOH revenue in OAAA quarterly data, a figure that includes digital billboards alongside transit screens, place-based displays, and street furniture panels.

Other formats contribute meaningfully but at smaller scale. Transit advertising covers buses, subways, trains, and taxis, targeting commuters in motion. Street furniture placements such as bus shelters and kiosks deliver repeated exposure in dense urban areas. Place-based media serves venue-specific audiences in malls, airports, gyms, and cinemas. Mobile OOH covers moving digital ads on vehicles and projections. None of these approaches the revenue footprint of the billboard segment.

Billboard formats and what they cost

Standard billboard sizes include 14 by 48 foot bulletins, 10 by 40 foot formats, and 10'6 by 36 foot panels. The category also includes posters, spectaculars, wallscapes, and digital LED screens that rotate multiple advertisers or carry dynamic creative.

Pricing reflects size, location, and format. Approximate two-week costs include: small 6-sheet posters from around £300, classic 48-sheet billboards from around £850, larger 96-sheet billboards around £2,000, and digital billboards from around £500 for shared screen time. A local bus superside campaign in a single city runs roughly £3,000 to £5,000 for two weeks. Digital billboards typically carry a premium because of dynamic content and contextual targeting capabilities. Transit and street furniture placements generally cost less and suit localized or niche targeting.

Why billboards hold their lead in effectiveness

Billboards are built for brand awareness at scale. Static billboards deliver exclusive brand presence for the duration of a campaign. Digital billboards add flexibility: multiple advertisers rotate creative, and content can update in real time based on weather, time of day, or other contextual signals, including 3D and dynamic animation formats.

Large-format digital OOH captures roughly five times more attention than standard online formats. That attention advantage, combined with prime placement on busy highways and building facades, makes billboards the preferred format for national and regional campaigns in automotive, entertainment, and consumer goods.

Other formats offer complementary strengths. Transit advertising reaches commuters along defined geographic routes. Street furniture and place-based media build frequency with neighborhood or venue-specific audiences. Local businesses often favor these placements to reach nearby communities repeatedly, where cost and context align better than a broad billboard buy.

Trends shaping the billboard segment

Digital transformation is the primary growth driver. Programmatic buying allows advertisers to plan and purchase billboard inventory with data-driven targeting, making campaigns more efficient and measurable. OOH ad spending is projected to grow by about 3.6% in 2026, with DOOH adoption and evolving buying platforms as key contributors.

Regulatory factors also shape the market. Zoning laws and light pollution concerns affect how much new billboard inventory enters a market and how quickly digital formats are adopted. Sustainability considerations are emerging as well, with some digital displays positioned as energy-efficient alternatives to traditional vinyl.

Despite these pressures, billboards retain their structural advantages: physical scale, roadside presence, and the ability to deliver mass reach that no other OOH format replicates at the same cost per impression.

How AdQuick handles outdoor advertising

AdQuick gives marketers a single platform to plan, buy, and measure outdoor advertising across every OOH format, including large-format static and digital billboards, transit placements, and street furniture. Campaigns can be scoped by geography, audience, and budget, with programmatic options available for digital inventory. Measurement tools connect OOH exposure to real-world outcomes, making it straightforward to evaluate how billboard spend compares to other formats in a given market.