B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

47%

47% -- share of ai overview sources from brand controlled properties for Google AI Overviews (2026)

Name: Share Of AI Overview Sources From Brand Controlled Properties Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-30

2026 · n=1,024 · Northwestern University Spiegel Research Center

47% of AI Overview sources came from brand-controlled properties.

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Attribution: Northwestern University Spiegel Research Center View source

Lighthouse Research Team

Last verified: 2026-09-30 · How we verify data →

Source verified Evidence graded

Value

47%

Unit

Percentage

Data Vintage

2026

Entity

Google AI Overviews

Sample Size

1,024

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Northwestern University Spiegel Research Center Primary Tier A

https://www.amicited.com/da/blog/how-google-ai-overviews-decide-brands/ ↗

Confidence: 57/100 Vintage: 2026 Channel: Common Crawl

Source Article

Hvordan Google AI Overviews beslutter, hvilke brands der nævnes

Original Research

Northwestern University Spiegel Research Center · Original study ↗

Methodology

Northwestern University Spiegel Research Center analysis of 1,024 source citations across 69 AI Overviews

Methodology documented

Segmentation

Industrymarketing

Cite this stat

Plain Text

Google AI Overviews: 47% share of ai overview sources from brand controlled properties. Source: Northwestern University Spiegel Research Center (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overview-brand-controlled-sources

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<blockquote cite="https://lighthousedata.io/data/ai-overview-brand-controlled-sources" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>47%</strong> -- share of ai overview sources from brand controlled properties for Google AI Overviews<br><small>Source: Northwestern University Spiegel Research Center (2026) · <a href="https://lighthousedata.io/data/ai-overview-brand-controlled-sources" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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