U.S. Search Ad Revenue Hits $114.2B in 2025

The digital advertising market in the United States reached a historic high in 2025, with total revenue climbing to $294.6 billion. Within this expanding landscape, search advertising maintained its position as the single largest category, generating $114.2 billion. This figure represents 38.8% of all digital ad spending, according to the annual IAB/PwC Internet Advertising Revenue Report. Yet a significant shift is underway, as the growth rate for search slowed to 11%, a notable deceleration from the 15.9% pace recorded in 2024.

This cooling search growth occurred even as the broader market accelerated throughout the year. Quarterly growth rates increased from 12.2% in the first quarter to 15.4% in the fourth, with the final quarter alone bringing in $85 billion. This strong finish happened without the cyclical boost of a major election or Olympic Games, events that had propelled 2024’s results. The momentum was instead driven by other, faster-growing formats where advertisers are increasingly allocating budgets.

Digital video advertising emerged as the fastest-growing major channel, with revenue surging 25.4% to reach $78 billion. Social media advertising also expanded rapidly, rising 32.6% to $117.7 billion. Meanwhile, programmatic advertising revenue grew 20.5% to $162.4 billion, underscoring the industry’s continued pivot toward automated, performance-driven media buying. These channels are now growing at more than double the rate of traditional search.

Another defining trend is increasing market concentration. The ten largest companies now control 84.1% of total U. S. digital ad revenue, up from 80.8% the previous year. This consolidation highlights the powerful advantages of scale, proprietary first-party data, and sophisticated, AI-driven advertising platforms. Artificial intelligence itself is evolving from a supplemental campaign tool into a core architecture that is reshaping how consumers discover products and how media is bought and measured across fragmented user journeys.

For marketers, the implications are clear. While search offers unparalleled scale, it is no longer the primary engine of growth. Investment is flowing toward video, social, and programmatic channels, where automation and AI are more deeply embedded in the ecosystem. This redistribution creates more intense competition for advertising budgets, reduces visibility into cross-channel performance, and elevates the critical need for marketers to demonstrate true incremental value and return on investment.