Key stat: Retail media ad spend will make up over one-fifth of total US ad spending by 2027, per our forecast.
Social media will maintain its position as second-biggest ad channel through 2027, though not by much.
Retail media ad spend is growing faster than either search or social, per our forecast.
The battle for second may come down to which channel can grab more dollars from slower-growing or declining legacy channels (like linear TV), per our Social Network Ad Spending and Trends Q4 2023 report.