The Open Index · AI Overviews
How often does Google show an AI Overview in your industry?
Three studies, three overall numbers, and a clear pattern underneath: industry and question type decide exposure. Here is what each study found and why they differ.
48.75%
of Health Care searches show an AI Overview, against 25.11% overall
Conductor, 2025
Written byKris GjorgjioskiKeyword research and industry benchmarks, Webtec Research
Checked byHristijan NajcheskiHead of SEO and AEO (technical and AI SEO), data verification
Updated October 15, 2026 · Edition 1Refreshed quarterly · next January 2027
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THREE STUDIES, THREE NUMBERS
One question, answered three ways.
Share of searches (or keywords) that show an AI Overview, by who measured it.
Overall prevalence, by study
The studies bracket the truth between about 16% and 25%, depending on method.
- Conductor: share of US searches (Sept to Oct 2025)25.11%
- Pew: share of searches by 900 US adults (March 2025)18%
- Semrush: share of 10M+ keywords (Nov 2025)15.69%
SourceConductor · 2025Pew Research Center · 2025Semrush · 2025
WHY THEY DIFFER
Different haystacks.
Conductor counts searches in its index (21.9M US searches, four weeks).[1] Pew counts what 900 real people searched in a month, including everyday queries.[2] Semrush counts the share of 10M+ tracked keywords, which skew to keywords marketers care about.[3]
Within each study, comparisons between industries and over time are reliable. Across studies, compare direction, not decimals.
BY INDUSTRY
Health Care is in a class of its own.
Conductor, US searches, Sept 15 to Oct 12, 2025. All industries: 25.11%. Industries without a published figure show as gaps.
Share of searches showing an AI Overview
Health Care is about twice the average and eleven times Real Estate.
- Health Care48.75%
- Financials25.79%
- Utilities25.4%
- Information Technology11.4%
- Consumer Staples6.82%
- Real Estate4.48%
- Communication ServicesNot stated in the source
- Consumer DiscretionaryNot stated in the source
- IndustrialsNot stated in the source
- MaterialsNot stated in the source
Inside Information Technology
Hardware queries trigger AI Overviews almost twice as often as software queries.
- Technology hardware19.4%
- Software and services10.8%
Overall IT: 11.4% of queries.[4]
11.4%
of IT queries show an AI Overview
25.11%
across all industries
SourceConductor · 2025
BY TOPIC AND OVER TIME
Semrush sees the same shape, with its own categories.
The share of each category’s keywords showing an AI Overview, January to November 2025.
By category, November 2025
Only categories with exact figures are shown. Real estate, shopping and arts each sit under 3%.
- Science25.96%
- Computers and electronics17.92%
- People and society17.29%
- Food and drink11%
- Real estate, shopping, arts and entertainmentNot stated in the source
SourceSemrush · 2025
All keywords through 2025
A fast rise to a July peak, then a settle. Snapshots, not a trend line.
SourceSemrush · 2025
THE REAL DRIVER
It is not the industry. It is the question.
Pew measured what share of searches produced an AI summary, by the kind of query.
AI summaries by query type
Long, question-style searches trigger summaries far more often than short ones.
- Starts with a question word (who, what, when, why)60%
- Searches of 10 or more words53%
- Full sentences (a noun and a verb)36%
- One- or two-word searches8%
WHAT IT MEANS
Industries with more questions see more AI.
Ahrefs reports that 99.2% of keywords that trigger an AI Overview are informational.[5] Seer’s click studies are limited to informational and educational queries for the same reason.[6]
Health, finance and technology are question-heavy, so they top the industry list. Real estate searches are mostly transactional or local, so they sit near the bottom. Your own mix of questions matters more than your industry label.
THE STUDIES SIDE BY SIDE
Compare the methods before you compare the numbers.
| Conductor | Pew Research | Semrush | |
|---|---|---|---|
| What is counted | Share of US searches in its index | Share of searches by a panel of US adults | Share of tracked keywords |
| Period | Sept 15 to Oct 12, 2025 | March 2025 | Jan to Nov 2025 |
| Sample | ~21.9M searches; 13,770 domains | 900 adults; 68,879 searches | 10M+ keywords |
| Overall result | 25.11% | 18% | 15.69% (Nov); 24.61% (Jul) |
| Industry view | Ten GICS-style industries | By query type and length | By topic category |
| Independence | Vendor study | Independent research | Vendor study |
What to do with it: Google says nothing special is needed to appear in AI Overviews beyond being indexed and publishing helpful content.[7] Use the industry numbers to judge how exposed your searches are, then measure your own. See what AI answers do to clicks and AEO by industry.
OUR INTERPRETATION
What we make of the numbers.
The figures above are the studies’. This part is our reading of them, kept separate so you can disagree.
Webtec Research
Our interpretation
Kris GjorgjioskiKeyword research and benchmarks
Hristijan NajcheskiTechnical SEO, data checks
- Figures: the cited studies
- Reading: ours
The figures on this page come from the cited studies. This reading of them is ours, and you may weigh it differently.
The spread between industries is wider than the spread between studies, which is the point worth taking away. Health Care sits near half of all searches, while real estate sits in single digits. A strategy built on the all-industry average would be wrong for both.
Exposure follows the shape of the question. Industries where people ask what, why and how, such as health, finance and utilities, are answered in place most often. Industries where people search for a place, a product or a provider are answered least. That is also why local and shopping businesses see AI Overviews mostly on their research-stage searches.
Because the readings move from quarter to quarter, this page is refreshed every quarter and shows the date next to each figure.
- Look up your industry’s exposure before choosing where to invest
- Expect informational pages to lose clicks first
- Re-check the figures each quarter, they move
Cite this page.
Charts have CSV downloads. Please link back and credit Webtec Research.
CITE THIS PAGE
Webtec Research. (2026, October 15). AI Overviews by industry: how often Google shows them. The Open Index by Webtec. https://www.trywebtec.com/resources/index/ai-overviews-by-industry/
Questions about AI Overviews.
SOURCES
Sources and notes
7 sources on this page: 2 independent or official (grade A) and 5 vendor or agency studies with a disclosed method (grade B). Numbers in brackets in the text match the numbers below. We read every figure on the source’s own page. How we grade sources.
- What we use:
- AI Overview prevalence and AI referral share by industry; ChatGPT’s share of AI referrals; most-cited domains by industry.
- Period:
- May to Sept 2025 (AI Overviews: Sept 15 to Oct 12, 2025)
- Sample:
- 13,770 enterprise domains in 10 industries; 17M AI responses and 100M+ citations; AI referral data from 1,215 domains (3.3B sessions, 35.7M AI sessions); 21.9M US Google searches for AI Overviews.
- Read with care:
- US data. AI Mode traffic is excluded because Google Analytics groups it with organic Google traffic. Some figures appear twice with different rounding; we use the more precise one.
- Independent researchGrade APublished 2025-07-22Read the source
- What we use:
- Click and session behaviour with and without AI summaries; share of searches with a summary; which sources summaries cite.
- Period:
- March 2025
- Sample:
- 900 US adults tracked in KnowledgePanel Digital; 68,879 Google searches.
- Read with care:
- A US panel; does not measure publisher revenue.
- Vendor studyGrade BPublished 2025-12-15Read the source
- What we use:
- AI Overview prevalence over time and by category.
- Period:
- January to November 2025
- Sample:
- 10M+ keywords for prevalence over time; industry figures are the share of each industry’s keywords that show an AI Overview.
- Read with care:
- The page gives exact figures for only some categories and contradicts itself on Health.
- Vendor studyGrade BPublished 2025-11-13Read the source
- What we use:
- Sub-industry AI referral share and AI Overview prevalence for technology.
- Period:
- May to Sept 2025
- Sample:
- The IT industry and three sub-industries, from the same dataset as the main report.
- What we use:
- The first measurement of click loss for the top result when an AI Overview appears.
- Period:
- March 2024 vs March 2025
- Sample:
- 300,000 keywords: 150,000 with an AI Overview and 150,000 informational keywords without one.
- Read with care:
- Desktop CTR, informational keywords, from Google Search Console data. Correlation, not proven cause.
- Agency studyGrade BPublished 2025-11-04Read the source
- What we use:
- Organic and paid CTR with and without AI Overviews, and the effect of being cited.
- Period:
- June 2024 to September 2025
- Sample:
- 3,119 informational and educational search terms across 42 organizations; 25.1M organic and 1.1M paid impressions.
- Read with care:
- Retrospective cohort; paid sample is small; the page has small internal inconsistencies, so we use the Q3 2025 averages and endpoint values.
- What we use:
- What Google says is and is not required to appear in AI features.
- Period:
- Documentation, last updated Dec 10, 2025
- Sample:
- Google’s own guidance for AI Overviews and AI Mode.
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A LIVING REFERENCE
Refreshed every quarter.
We re-check every source in January, April, July and October, add new studies and retire old ones. This is Edition 1 (October 15, 2026); the next is due January 2027. Changes are logged on the methodology page.






































































