B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
26.3%
26.3% -- llm citation share for Wikipedia (2026)
Wikipedia accounted for 26.3% of LLM references in a Semrush study analyzing over 150,000 AI citations.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
26.3%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
150,000
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Semrush
Primary
Tier B
https://indexthread.com/research/reddit-and-generative-engine-optimization ↗
Source Article
Reddit and Generative Engine Optimization | Index & Thread Research
Reddit and Generative Engine Optimization
How AI Models Cite Community Discussions
Generative Engine Optimization (GEO) has emerged as a distinct discipline focused on earning citations within AI-generated responses rather than rankings in traditional search results. Reddit occupies a disproportiona…
Original Research
Semrush
· Original study ↗
Methodology
Semrush study analyzing over 150,000 AI citations
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Wikipedia: 26.3% llm citation share. Source: Semrush (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/llm-references-to-wikipedia-semrush
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<blockquote cite="https://lighthousedata.io/data/llm-references-to-wikipedia-semrush" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>26.3%</strong> -- llm citation share for Wikipedia<br><small>Source: Semrush (2026) · <a href="https://lighthousedata.io/data/llm-references-to-wikipedia-semrush" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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