B
Evidence Grade B
Graded
under review
Safe to Cite
Current
34%
34% -- percentage of population for US adults using ChatGPT (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
34%
Unit
Percentage
Data Vintage
2026
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Pew Research Center
Primary
Tier B
https://digitalstrategyforce.com/journal/how-ai-chooses-which-websites-to-cite/ ↗
Source Article
How AI Chooses Which Websites to Cite | Digital Strategy Force
How AI Chooses Which Websites to Cite
AI search engines do not rank websites — they select sources through a five-layer filtration pipeline. The Citation Selection Hierarchy maps how AI models narrow millions of candidate pages to the 3-5 sources cited in each response, and why only 12% of AI-cited …
Original Research
Pew Research Center
· Original study ↗
Methodology
Pew Research Center
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US adults using ChatGPT: 34% percentage of population. Source: Pew Research Center (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/us-adults-using-chatgpt
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<blockquote cite="https://lighthousedata.io/data/us-adults-using-chatgpt" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>34%</strong> -- percentage of population for US adults using ChatGPT<br><small>Source: Pew Research Center (2026) · <a href="https://lighthousedata.io/data/us-adults-using-chatgpt" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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