The global advertising market is proving more resilient than previously anticipated, with WPP Media revising its full-year revenue projections upward by over two percentage points. The media-investment arm of WPP now forecasts global ad revenue to grow by 8.8% to a staggering $1.14 trillion in 2025, a significant jump from its earlier estimate of 6% growth. This optimistic outlook, detailed in a recent blog post, highlights the industry's ability to navigate disruptions like tariffs while strategically capitalizing on the artificial intelligence boom and burgeoning channels such as retail media and gaming.

Strong Momentum Expected Through 2026

The positive momentum is expected to extend into 2026, with ad revenue projected to grow by 7.1%. This period will benefit from high-profile cyclical events that typically boost brand sponsorship, including the next Winter Olympics and the FIFA World Cup. WPP Media's revised forecast aligns with other industry forecasters who have observed the ad market performing better than initially expected despite various economic pressures.

Emergent Channels Drive Investment

Despite a gloomy consumer mood, intensified by factors like the Trump administration’s economic policies, brands are actively investing in emergent channels to reach shoppers who are tightening their budgets and shifting away from traditional media. WPP Media specifically underlined significant channel shifts towards ad-supported streaming, retail media, the creator economy, and AI-powered search. Content remains the chief driver of investment, with the agency diversifying its assessment to include these new areas.

AI's Dual Role: Magnet and Disruptor

Artificial intelligence continues to play a pivotal role, serving both as a magnet for investment and a disruptor across various aspects of marketing. According to WPP Media, AI is reshaping content creation, media planning, measurement, and consumer interaction. However, the industry's established integrations with machine learning position it well to adapt to these profound changes. Reflecting AI's transformative impact on the digital economy, the agency recently reclassified its "search" category as "intelligence." WPP, the parent company, is notably going "all-in on AI" as part of its broader turnaround strategy.

Content and Commerce Lead Growth

Content-driven advertising, encompassing everything from social media to traditional newspapers and magazines, constitutes the largest segment of the global market. It commands a 58% share of 2025 revenue, totaling an estimated $663.5 billion.

  • Gaming's Surge: Within the content category, gaming stands out as the fastest-growing channel, projected to expand by 29.5% to $8.5 billion in revenue this year. Despite this rapid growth, gaming still represents a relatively small slice of the total content bucket, accounting for 0.7%.
  • Retail Media's Ascent: The commerce segment, which includes the booming retail media sector, is forecast by WPP Media to surpass traditional TV for the first time in 2025, reaching $178.2 billion in global ad revenue. China leads this category with $76.3 billion in 2025 revenues, followed by the U.S. at approximately $58 billion.

The report also suggests that retail media could face increased pressure for consolidation and potential revenue cannibalization by AI in the future. Recognizing the adoption of the retail media model by other sectors, WPP Media has expanded its analysis to include new categories such as financial services media networks and travel media networks.

2026 Outlook: Continued Growth with Nuances

While 2026 is expected to carry over much of this year's momentum, total revenue growth is projected to be nearly two percentage points lower. This slight moderation occurs despite the recurrence of major brand sponsorship events like the World Cup and Olympics. The upcoming year will also feature a heated midterm election season in the U.S., though WPP Media's top-level forecast excludes U.S. political ad spending.