CitationLab
Statistics 2025

AI search
in numbers

The most important statistics about AI search — curated with sources so you can use them in presentations, reports and strategy documents.

Last updated: May 2026

AI Search Adoption

40%+
Gen Z uses AI for search

Over 40% of young adults (18-34) use AI chatbots as their primary information source.

Source: Gartner, 2025
79%
Will use AI search in 2026

79% of consumers expect to use AI-powered search within the next 12 months.

Source: Salesforce Research, 2025
1B+
Weekly ChatGPT users

ChatGPT surpassed 1 billion weekly active users in early 2025.

Source: OpenAI, 2025
87.4%
ChatGPT share of AI traffic

87.4% of all AI-referred traffic comes from ChatGPT — the dominant single platform in AI search.

Source: BrightEdge, 2025
100M
Weekly Perplexity searches

Perplexity processes over 100 million searches per week, making it the second largest AI search platform.

Source: Perplexity, 2025
25%
Google searches with AI Overviews

AI Overviews now appear in over 25% of all Google searches globally, reaching billions of users monthly.

Source: Google, 2025

Impact on Traffic & Clicks

60%
Zero-click B2B searches

60% of all B2B searches end without anyone clicking through to a website.

Source: Gartner, 2025
30%
Lower CTR for #1 rankings

Even businesses ranking #1 in Google see 30% lower click-through rates due to AI Overviews.

Source: SparkToro / Datos, 2025
25%
Traffic reduction

Websites in categories with AI Overviews see an average 25% reduction in organic traffic.

Source: Ahrefs, 2025
8%
CTR with AI Overviews present

Click-through rate drops to 8% when an AI Overview appears, compared to 15% on a regular SERP.

Source: Search Engine Land, 2025
34.5%
Click reduction from AI Overviews

AI Overviews reduce click-through to source websites by 34.5% on average.

Source: Conductor, 2025

Conversion & Value

17min
Avg. session from AI traffic

Users arriving from AI citations spend an average of 17 minutes on site, vs. 4 minutes from Google.

Source: Ahrefs / Perplexity data, 2025
14.2%
Avg. conversion rate from AI traffic

AI-referred visitors convert at 14.2% on average, compared to 2.8% from Google organic search — a 5x improvement.

Source: Ahrefs / SE Ranking, 2025
693%
AI referral traffic surge (holiday)

Adobe reported a 693% surge in AI referral traffic during the 2025 holiday season, showing explosive commercial intent.

Source: Adobe Analytics, 2025
12%
ChatGPT-cited URLs in Google top 10

Only 12% of URLs cited by ChatGPT also rank in Google's top 10 — high SEO ranking does not guarantee AI visibility.

Source: Seer Interactive, 2024
11.4%
Citation boost from semantic URLs

Pages with descriptive 5–7 word URLs receive 11.4% more AI citations than pages with short or generic URLs.

Source: Profound, 2025

Growth Trends

527%
AI referral traffic growth

AI-referred traffic has grown 527% year over year across tracked websites.

Source: BrightEdge, 2025
84%
Marketers aware of GEO

84% of digital marketers are aware of Generative Engine Optimization as a discipline.

Source: Search Engine Journal, 2025
62%
B2B buyers research with AI

62% of B2B buyers use AI to research suppliers before making first contact with a vendor.

Source: Forrester, 2025
25%
Predicted search volume decline by 2026

Gartner predicts a 25% decline in traditional search engine volume by 2026 as AI assistants take share.

Source: Gartner, 2024
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