B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
51%
51% -- ai summaries share of feed for Google Discover (US, Brazil, Mexico) (2025)
In the US, Brazil, and Mexico, 51% of Google Discover feed entries are AI Summaries.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
51%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Marfeel
Primary
Tier A
https://www.marfeel.com/blog/google-discover-s-shift-to-ai-youtube-and-x-what-publishers-are-losing-… ↗
Source Article
Google Discover’s Shift to AI, Youtube and X: What Publishers Are Losing
Google Discover’s Shift to AI, Youtube and X: What Publishers Are Losing
New data from the Marfeel Discover Monitoring shows Google Discover is no longer a publisher-first surface. It’s becoming an AI platform with YouTube and X absorbing real estate that once went to newsrooms.
Discover is no longe…
Original Research
Marfeel
· Original study ↗
Methodology
Marfeel Discover Monitoring platform data
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Discover (US, Brazil, Mexico): 51% ai summaries share of feed. Source: Marfeel (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-discover-ai-summaries-feed-share-2025
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<blockquote cite="https://lighthousedata.io/data/google-discover-ai-summaries-feed-share-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>51%</strong> -- ai summaries share of feed for Google Discover (US, Brazil, Mexico)<br><small>Source: Marfeel (2025) · <a href="https://lighthousedata.io/data/google-discover-ai-summaries-feed-share-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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