Breakdown of U.S. online ad revenue 2024, by format

In 2024, roughly 40 percent of online ad revenue in the United States was generated through search advertising. Slightly less than one in three dollars came from digital static display ads that year.

Digital advertising in the United States

In 2024, online advertising in the United States generated a total revenue of about 260 billion U.S. dollars. U.S. internet ad revenue has been increasing steadily since 2009 and in the last measured year by about 15 percent compared to 2023. Search was the most invested-in digital ad format, commanding 40 percent of the market, followed by display with 30 percent, and video with 24 percent. Audio was the digital ad format with the smallest market share and the slowest growth in 2024.

Mobile's king

Roughly two in three dollars generated by digital advertising in 2024 came from mobile ads. The share generated by mobile has been increasing annually for the last decade, as has the share of digital in total advertising spending. Among formats of mobile ads, search is also the leader, followed by video and banner ads.