B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
13%
13% -- share of search results with ai generated content for Google Search (2025)
Over 13% of Google search results in 2025 constitute AI-generated content / prioritize AI-generated, content-rich pages according to The Ultimate AI SEO Playbook.
- The source text also refers to this 13% figure as the frequency of Google AI Overviews appearing in search results
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
13%
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
45
Freshness
95
Source
The Ultimate AI SEO Playbook
Primary
Tier C
https://anypost.ai/blog/saas-content-marketing-with-gpt-4-turbo-seo ↗
Source Article
Saas Content Marketing with GPT‑4 Turbo SEO
Original Research
The Ultimate AI SEO Playbook
· Original study ↗
Methodology
Cited from 'The Ultimate AI SEO Playbook' via secondary blog source; exact methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Search: 13% share of search results with ai generated content. Source: The Ultimate AI SEO Playbook (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-results-ai-generated-content-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-results-ai-generated-content-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>13%</strong> -- share of search results with ai generated content for Google Search<br><small>Source: The Ultimate AI SEO Playbook (2025) · <a href="https://lighthousedata.io/data/google-results-ai-generated-content-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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