Global advertising market projected to hit $1 trillion by 2033
Renub Research forecasts the global advertising market will exceed $1 trillion by 2033, growing from $667.8 billion in 2024, driven by digital advertising investments, AI, and influencer marketing. This projected growth indicates substantial opportunities for ad-tech companies and platform providers within the streaming video industry. The report highlights increased programmatic buying, mobile-first consumer behavior, and AI-powered personalization as key growth factors.
Key Takeaways
- Digital advertising expenditure remains the primary growth catalyst through 2033, driven by high internet penetration and e-commerce.
- Artificial intelligence is automating campaign optimization and creative production, becoming a core driver of marketing efficiency.
- Connected TV and streaming platforms are emerging as high-growth alternatives to traditional broadcast and radio formats.
- Influencer marketing on platforms like TikTok and YouTube is increasingly capturing budgets from younger, creator-focused audiences.
- Global agencies including WPP, Publicis, and Omnicom are pivoting toward AI-powered data ecosystems to combat third-party cookie loss.
Why It Matters
The $1 trillion milestone signals a permanent shift toward algorithm-driven monetization in the streaming stack. For video providers, this move prioritizes the integration of generative AI for creative asset generation and first-party data ecosystems to maintain targeting precision. As budgets migrate from legacy broadcast to Connected TV, platform owners must optimize programmatic pipelines to capture performance-based spend. Competitive success now depends on the ability to balance hyper-personalization with increasingly strict global privacy regulations. Watch for a rise in AI-optimized 'shoppable' video formats as retailers and streamers deepen their ad-tech integrations.
Additional Context
The move toward a $1 trillion global market is accelerating faster in specific digital segments than in broad media. Per Dentsu and WPP Media reports from June 2025, digital ad spend is now forecast to reach $678.7 billion annually, commanding a 68.4% share of the total market. This growth is lopsided; while traditional television spend is expected to decline by approximately 1.8%, Connected TV (CTV) ad spend is projected to grow by 10.9% in the same period. Analysts at PwC and Madison & Wall noted in July 2025 that CTV is a primary beneficiary of AI-assisted hyper-personalization, with pure-play streaming platforms poised for 26% growth in national ad spend by the end of 2025. Retail media is also emerging as a dominant force, rivaling traditional search and social budgets. According to eMarketer in October 2025, global retail media ad spending is projected to reach $169 billion, driven by 43.1% annual growth in retail-specific CTV initiatives. This shift is forcing major agency holding groups to restructure. Per Videoweek and CityAM in late 2025, WPP and Publicis have significantly ramped up investments in AI platforms like 'WPP Open' to automate media execution. Despite robust spend, these agencies face internal pressure; WPP shares fell nearly 60% in 2025 as investors weighed the risk of AI automating core agency functions, even as the global ad market itself remains resilient.
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