B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
42%
42% -- ai overview search penetration for Google AI Overview (2025)
Google AI Overview appears in 42% of searches according to BrightEdge (2025).
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Lighthouse Research Team
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Source verified
Evidence graded
Value
42%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
60
Freshness
95
Source
BrightEdge
Primary
Tier C
https://everettwilkinson.com/2026/04/18/business-case-ai-visibility-roi/ ↗
Source Article
the business case for AI visibility: ROI numbers you can take to the board | Everett Wilkinson
Hard numbers on AI visibility ROI. Revenue impact, lead quality, and competitive data you can present to decision-makers.
Decision-makers need numbers. Trust is good. Data is better. This post gives you specific, verifiable numbers on AI visibility ROI that you can put in a board presentation, a bud…
Original Research
BrightEdge
· Original study ↗
Methodology
Cited as BrightEdge published research (2025); secondary citation in blog post
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overview: 42% ai overview search penetration. Source: BrightEdge (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-ai-overview-search-penetration-2025
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<blockquote cite="https://lighthousedata.io/data/google-ai-overview-search-penetration-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>42%</strong> -- ai overview search penetration for Google AI Overview<br><small>Source: BrightEdge (2025) · <a href="https://lighthousedata.io/data/google-ai-overview-search-penetration-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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