u s search ad revenue grew 33 to 78 billion last year

U.S. search ad revenue grew 33% to $78 billion last year

Search advertising revenue continues to grow. In 2021, according to the IAB, search accounted for $78.3 billion of all U.S. digital advertising revenue, which came in at a whopping $189 billion.

However, the IAB noted in their Internet Advertising Revenue Report: Full Year 2021 report that the growth of search wasn’t as strong as other formats, such as digital video, which was up 50 percent year on year (YoY). As a result, search lost 0.8 percentage points in total revenue share.

Paid search remains king. With 41.4% of all digital ad revenue in 2021, paid search is still the leading format. Mobile accounted for $54.7 billion (up from $39.7 billion in 2020), while desktop accounted for $23.5 billion (up from $19.3 billion in 2020).

u s search ad revenue grew 33 to 78 billion last yearu s search ad revenue grew 33 to 78 billion last year
Top advertising format by share/Internet Advertising Revenue Report: Full Year 2021

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Social media advertising rebounds. Social media advertising plateaued at the start of the pandemic. In 2021, revenue from social platforms (including Meta-owned networks, Twitter, Snapchat and TikTok) hit $57.7 billion, up from $41.4 billion in 2020. What helped fuel this growth? In particular, the IAB noted that 80% of brands now work with influencers and content creators, which began during COVID-19.

The state of digital advertising. It’s strong. Of note from the IAB report:

  • Total U.S. digital ad revenue increased by $50 billion in 2021.
  • YoY growth was 35.4%, the highest increase since 2006.
  • YoY growth was strong in each quarter of 2021. (And that is expected to continue in 2022.)
  • Q4 2021 digital ad revenue hit a new record: $55 billion. That’s up nearly $10 billion from the same 2020 holiday season.

Why we care. At the start of the pandemic, there was a lot of uncertainty about whether we’d continue to see online advertising continue to grow. In 2020, we wondered whether we’d only see single-digit growth heading forward. Thankfully, that hasn’t happened. Search – like all other digital channels and formats – shows strong growth. 

The IAB predicts digital ad growth to continue across all channels. However, the IAB notes some potential challenges, including privacy regulation, the deprecation of third-party cookies and measurement. What else could impact digital marketing this year: Russia’s invasion of Ukraine, ongoing supply chain issues in the U.S. and other economic issues. That said, as the IAB notes, “brands have spoken, and digital is where they are putting their dollars.” That will again be true in 2022. You can view the entire report here (note: the report is free, but you must log in or create an account to download it).

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About The Author

u s search ad revenue grew 33 to 78 billion last yearu s search ad revenue grew 33 to 78 billion last year
Danny Goodwin is Senior Editor of Search Engine Land. In addition to writing daily about SEO, PPC, and more for Search Engine Land, Goodwin also manages Search Engine Land’s roster of subject-matter experts. He also helps program our conference series, SMX – Search Marketing Expo. Prior to joining Search Engine Land, Goodwin was Executive Editor at Search Engine Journal, where he led editorial initiatives for the brand. He also was an editor at Search Engine Watch. He has spoken at many major search conferences and virtual events, and has been sourced for his expertise by a wide range of publications and podcasts.

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