B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
47%
47% -- click through rate change for US Google search user clicks (AI Overview present vs absent) (2025-03)
Google search users click on results 47% less often when AI summaries appear (8% click rate with AI summaries vs. 15% without).
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Lighthouse Research Team
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Source verified
Evidence graded
Value
47%
Unit
Percentage
Data Vintage
2025-03
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
60
Independence
30
Methodology
60
Freshness
95
Source
Pew Research Center
Primary
Tier C
https://paradoxseo.com/blog/ai-overviews-impact-on-organic-traffic-2026 ↗
Source Article
AI Overviews Are Killing Organic CTR: The Data and What to Do About It
TL;DR: What You Need to Know
AI Overviews are fundamentally changing search behaviour. According to Pew Research Center, users click on results just 8% of the time when AI summaries appear, compared to 15% without them — a 47% reduction in clicks.
But here's the nuance: not all traffic is affected e…
Original Research
Pew Research Center
· Original study ↗
Methodology
Relative reduction in click rate when AI summaries appear (8% vs 15% without); Pew Research Center study published July 2025.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US Google search user clicks (AI Overview present vs absent): 47% click through rate change. Source: Pew Research Center (2025-03). Via Lighthouse Intelligence -- https://lighthousedata.io/data/pew-ctr-change-ai-overviews
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<blockquote cite="https://lighthousedata.io/data/pew-ctr-change-ai-overviews" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>47%</strong> -- click through rate change for US Google search user clicks (AI Overview present vs absent)<br><small>Source: Pew Research Center (2025-03) · <a href="https://lighthousedata.io/data/pew-ctr-change-ai-overviews" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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