Research & Business Intelligence

AI is already reshaping the ways in which consumers discover products, make purchase decisions, and interact with brands, making a wide variety of new capabilities available to advertisers.

WPP Media Global Advertising Forecast: Global ad revenue set to reach $1.14 trillion

The report interviewed 10,000 people across Britain in a nationwide quantitative study as well as extensive qualitative research to explore how location ties into our sense of identity, feelings and behaviours, gaining a true insight into today’s Britain.

Drawing on 1.2 million purchase journeys, ‘How Humans Decide’ uncovers the forces that shape consumer decisions and how brands can harness them. Developed with Oxford’s Saïd Business School, the study offers essential guidance for modern marketing.

In partnership with amp, we explore how consumers respond to AI‑generated versus human‑voiced advertising, revealing where trust and engagement shift in an increasingly synthetic audio landscape. The findings offer brands a clear roadmap to harness AI‑driven audio with confidence while preserving authenticity and connection.

20 predictions on what's hype, what's real and what's next.

Our latest This Year Next Year report modernizes how ad revenue is classified and examines the impact of AI acceleration and shifting advertiser dynamics in the 2025 Mid‑Year Global Advertising Forecast. The outlook reflects resilience amid global uncertainty, revising 2025 growth to 6.0% and projecting $1.08 trillion in ad revenue, with steady expansion continuing into 2026 and beyond.