B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
61%
61% -- organic ctr decline rate for Google organic search results when AI Overviews are present (2025-09)
Organic CTR drops by 61% (from 1.76% to 0.61%) for Google searches when AI Overviews are present.
- Based on an analysis of 25.1 million impressions across 42 organizations
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
61%
Unit
Percentage
Data Vintage
2025-09
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
Seer Interactive
Primary
Tier C
https://www.viciousmarketing.net/post/seo-vs-geo-why-your-marketing-needs-both-to-stay-visible ↗
Source Article
SEO vs GEO: How to Stay Visible in Search and AI in 2026
SEO vs GEO: Why Your Marketing Needs Both to Stay Visible
Updated: Mar 12
Maximize Visibility Through Search & AI-Powered Discovery
Search Engine Optimization (SEO) and Generative Engine Optimization (GEO) represent the present and future of online visibility. SEO focuses on Google, Bing, and other …
Original Research
Seer Interactive
· Original study ↗
Methodology
Relative decline from 1.76% to 0.61% per Seer Interactive
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google organic search results when AI Overviews are present: 61% organic ctr decline rate. Source: Seer Interactive (2025-09). Via Lighthouse Intelligence -- https://lighthousedata.io/data/organic-ctr-decline-ai-overviews-2025
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<blockquote cite="https://lighthousedata.io/data/organic-ctr-decline-ai-overviews-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>61%</strong> -- organic ctr decline rate for Google organic search results when AI Overviews are present<br><small>Source: Seer Interactive (2025-09) · <a href="https://lighthousedata.io/data/organic-ctr-decline-ai-overviews-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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