B
Evidence Grade B
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Recent
18%
18% -- ai overview trigger rate for Google Search (2025-03)
18% of unique Google searches produced an AI summary (AI Overview) in March 2025 according to a Pew Research Center study of 68,879 searches.
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Lighthouse Research Team
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Evidence graded
Value
18%
Unit
Percentage
Data Vintage
2025-03
Entity
Sample Size
68,879
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Pew Research Center
Primary
Tier A
https://proaisearch.com/ai-search-statistics/ ↗
Source Article
AI Search Statistics 2026: Data Every Business Needs
The AI search statistics 2026 compiled here trace every major platform to its primary source, giving Indian businesses the data they need to act. In late 2024, I started tracking how often content from LearnQ.ai and VEGA AI appeared in Perplexity and ChatGPT responses for education-related queries. …
Original Research
Pew Research Center
· Original study ↗
Methodology
Pew Research Center analysis of 68,879 unique Google searches from 900 US adults
Methodology documented
Trend Over Time
| Period | Value | Change |
|---|---|---|
| 2025 | 47% | |
| 2025-03 (current) | 18% | -61.7% |
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Search: 18% ai overview trigger rate. Source: Pew Research Center (2025-03). Via Lighthouse Intelligence -- https://lighthousedata.io/data/pew-ai-overview-trigger-rate
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<blockquote cite="https://lighthousedata.io/data/pew-ai-overview-trigger-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>18%</strong> -- ai overview trigger rate for Google Search<br><small>Source: Pew Research Center (2025-03) · <a href="https://lighthousedata.io/data/pew-ai-overview-trigger-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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