AI Overview: Search Data Tracking in 180 Regions by Serpstat Serpstat Data

Research

Key Findings from 1 Billion Keywords

Based on Serpstat’s analysis of 35 million AI Overviews across 2025. Read the full study →

27.5%

of SERPs show AIO

Up from 0.01% in early 2025 — one in four queries now triggers an AI Overview

92–96%

Sources outside top 20

AIO sources are largely independent from organic rankings — traditional SEO doesn’t guarantee AIO visibility

80.56%

AIO rate for 14+ word queries

Long-tail queries dominate — 70% of all AIO keywords contain 10 or more words

53.97%

AIO share in Health

Health leads all categories. Sports and Shopping show the lowest AIO penetration

US leads AIO adoption with 33.81% rate

Desktop rollout started in January 2025 — mobile followed 5 months later in June. Our dataset captures both devices and all regions.

AIO is 3× larger than Featured Snippets

Google actively replaced Featured Snippets with AI Overviews in Q4 2025 — making AIO tracking essential for any SEO strategy.

Key Features

What is AI Overview?

Google's AI Overview is a SERP feature that synthesizes information from multiple sources with linked citations.

AI-Generated Answers

AI Overviews appear at the top of Google search results for certain queries, providing direct answers in AI SERP.

Source Attribution

Each AI Overview includes linked citations to original sources, showing which websites Google's AI trusted for that particular query.

Why This Matters

Understanding citation patterns is crucial for AI Overview SEO (AIO Optimization), search research, strategy, and analyzing how Google builds AI-generated responses at scale.

Schema

Complete Data Structure

Each record contains comprehensive attribution data with full technical details.

Attribute	Type	Description
region	String	Google search region (us, uk, de, jp, etc.)
keyword	String	Search query that triggered the AI SERP
keyword_id	UInt64	Unique keyword identifier
text	String	Full AI-generated response text
positions	Array(Int32)	SERP positions of cited sources
urls	Array(String)	Source URLs cited in the response
domains	Array(String)	Domains of cited sources
snippets	Array(String)	Text snippets from sources
titles	Array(String)	Page titles of cited sources
anchors	Array(String)	Inline link anchor text within AI response
link_urls	Array(String)	Inline link destinations
lastupdate	DateTime	When the AI Overview was captured

Example

Real Sample Record

Example data from query: "how to know keywords of a website" in US region.

Query

"how to know keywords of a website" • Region: US

AI-Generated Response (text field)

"To find the keywords a website is targeting, you can use a combination of methods including browser tools, website search functions, and specialized SEO tools. The most direct approach is using your browser's Find function (Ctrl+F) to search for specific keywords on a page…"

Cited Sources (urls, domains)

• surferseo.com
• clearscope.io
• backlinko.com
• ahrefs.com
• semrush.com

Inline Links (anchors → link_domains)

"Semrush" → semrush.com
"Ahrefs" → ahrefs.com
"Clearscope" → clearscope.io

Details

Use Cases

How researchers, analysts, and enterprises use this dataset.

AI Research

Study how Google's AI synthesizes and attributes information across millions of queries. Analyze response patterns and citation behavior.

Citation Analysis for AI SEO

Identify which domains Google trusts and cites most frequently in AI responses. Track citation positions and frequency patterns.

Content Strategy

Understand what content formats and structures get featured in AI Overviews. Optimize your content for AI-generated search visibility.

Competitive Intelligence

Track competitor visibility in AI search results across different markets. Benchmark your citation performance against industry leaders.

LLM Training Data

Use as training or evaluation data for AI models focused on search behavior, information synthesis, and source attribution.

Market Analysis

Compare AI search behavior across 180+ regional markets. Identify geographic variations in AI Overview adoption and citation patterns.

Pricing

AI Overview Database Price

Regional pricing based on database volume. Purchase individual regions or multi-region packages.

Country	Search Engine	AI Overviews	SE Code	Price
United States	Google	95.4M	g_us	$12,500
United Kingdom	Google	28.2M	g_uk	$3,695
Canada	Google	20.6M	g_ca	$2,702
Australia	Google	15.2M	g_au	$1,992
Germany	Google	9.8M	g_de	$1,284
Poland	Google	6.4M	g_pl	$840
India	Google	6.3M	g_in	$829
Spain	Google	6.1M	g_es	$798
Italy	Google	5.2M	g_it	$678
Netherlands	Google	4.6M	g_nl	$599
Brazil	Google	4.0M	g_br	$522
Ukraine	Google	3.8M	g_ua	$492
South Africa	Google	3.5M	g_za	$457
Mexico	Google	3.5M	g_mx	$453
Sweden	Google	2.9M	g_se	$376
Nigeria	Google	2.2M	g_ng	$284
Czech Republic	Google	2.0M	g_cz	$257
Denmark	Google	1.7M	g_dk	$217
Japan	Google	1.4M	g_jp	$182
Israel	Google	1.1M	g_il	$143
Saudi Arabia	Google	982K	g_sa	$129
Belgium	Google	913K	g_be	$120
Thailand	Google	913K	g_th	$120
Hungary	Google	909K	g_hu	$119
Ireland	Google	909K	g_ie	$119
Norway	Google	808K	g_no	$106

+ 154 more regions available • Multi-region packages and custom licensing on request.

FAQ

Frequently Asked Questions

What is AI Overview data?+

AI Overview data is a structured dataset of Google’s AI-generated search summaries — the responses that appear at the top of Google search results for certain queries. Each record contains the full AI-generated text, the URLs and domains Google cited as sources, inline anchor links within the response, SERP positions of cited sources, and the timestamp of capture. Our dataset covers 250M+ AI Overviews across 180+ regions.

How is AI Overview data different from regular SERP data?+

Regular SERP data captures the 10 blue links. AI Overview data captures a completely different layer: Google’s AI-synthesized answer above organic results. Crucially, 92–96% of domains cited in AI Overviews do NOT appear in the organic top 20 for the same query — meaning AI Overview data reveals authoritative sources that traditional rank tracking completely misses.

How can I use AI Overview data for SEO?+

AI Overview data enables a new layer of SEO analysis: identify which domains Google trusts for AI citations in your niche, understand what content structures get featured, track your own brand’s visibility in AI results, and benchmark competitors. Since AI Overviews now appear in 27.5% of all SERPs and are 3× larger than Featured Snippets, optimizing for AIO citations is becoming as important as traditional rank tracking.

What does the AI Overview dataset contain?+

Each record includes: search region, keyword, full AI-generated response text, SERP positions of cited sources, source URLs and domains, text snippets, page titles, inline anchor text within the AI response, inline link destinations, and the capture timestamp. Data is available in CSV and JSON formats for all 180+ regions.

How often is the AI Overview data updated?+

The dataset is updated daily. AI Overviews have moderate volatility — research shows an average daily volatility score of 0.403, with presence volatility (AIO appearing or disappearing entirely) being the main source of instability. Daily updates let you track these changes and identify patterns over time.

Can I use AI Overview data for LLM training?+

Yes. The dataset is well-suited for training and evaluating AI models focused on search behavior, information synthesis, source attribution, and citation patterns. The structured format (keyword → AI response → cited sources → anchor links) provides clean input-output pairs for fine-tuning models that understand how AI systems synthesize information at scale.

Which regions are covered in the AI Overview dataset?+

180+ regions are available, from the US (95.4M AI Overviews, $12,500) to smaller markets like Norway (808K, $106). The US leads globally with a 33.81% AIO rate. Regions can be purchased individually or as multi-region packages. Contact us for custom licensing options.

AI Overview SERP Data