B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
47.9%
47.9% -- share of top10 cited sources for Wikipedia (ChatGPT) (2026)
Wikipedia accounts for 47.9% of ChatGPT's top-10 cited sources based on Kevin Indig's analysis.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
47.9%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
98,000
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
Kevin Indig
Primary
Tier B
https://useorion.ai/blog/why-link-building-doesnt-move-ai-citations ↗
Source Article
Why traditional link building doesn't move AI citations — and what does
Why traditional link building doesn't move AI citations — and what does
Across 60 prompts in 3 industries on our own GEO Graph index, plus a converging body of independent industry analysis, one pattern keeps showing up: AI citation likelihood is gated by entity recognizability across knowledge grap…
Original Research
Kevin Indig
· Original study ↗
Methodology
Kevin Indig analysis of ~1.2 million ChatGPT responses (~98K citations), cited via Search Engine Land
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Wikipedia (ChatGPT): 47.9% share of top10 cited sources. Source: Kevin Indig (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/wikipedia-chatgpt-top10-share
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<blockquote cite="https://lighthousedata.io/data/wikipedia-chatgpt-top10-share" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>47.9%</strong> -- share of top10 cited sources for Wikipedia (ChatGPT)<br><small>Source: Kevin Indig (2026) · <a href="https://lighthousedata.io/data/wikipedia-chatgpt-top10-share" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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