B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
60%
60% -- ai search usage rate for U.S. adults (2025)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
60%
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
mercermackay.com
Primary
Tier C
https://mercermackay.com/thinking/blog/llm-and-seo-optimization-fundamentals-for-modern-search/ ↗
Source Article
LLM and AEO optimization fundamentals for modern search
Key Takeaways
- Large language model (LLM) optimization works when your best answer lives in a paragraph that can be quoted without edits and verified with a link.
- Answer engine optimization (AEO) depends on clear intent, clear constraints, and clear ownership that both assistants and buyers can c…
Original Research
mercermackay.com
· Original study ↗
Methodology
Survey figure cited in blog post on LLM/AEO optimization; original survey methodology not stated.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
U.S. adults: 60% ai search usage rate. Source: mercermackay.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/us-adults-ai-search-usage
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<blockquote cite="https://lighthousedata.io/data/us-adults-ai-search-usage" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>60%</strong> -- ai search usage rate for U.S. adults<br><small>Source: mercermackay.com (2025) · <a href="https://lighthousedata.io/data/us-adults-ai-search-usage" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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