AI search is no longer experimental. Tools like ChatGPT, Gemini, Perplexity, Microsoft Copilot and Google's AI Overviews now sit between traditional search results and the user, summarising answers and recommending businesses directly.
The figures below show how quickly AI search adoption is accelerating, where users are shifting their queries, and why businesses need a clear strategy to remain visible inside AI-generated answers.
Figures below are aggregated industry references published by the named sources. Please verify any figure you reproduce against the original publisher before citing it.
Adoption and reach
800M+
Weekly active users on ChatGPT
Source: OpenAI public statements
300M+
Monthly users on Microsoft Copilot ecosystem
Source: Microsoft earnings disclosures
60%+
Of Google searches now end without a click
Source: SparkToro / SimilarWeb research
1B+
AI Overview impressions monthly on Google
Source: Google I/O announcements
2x
Year-over-year growth in Perplexity queries
Source: Perplexity company reports
70%
Of Gen Z report using AI tools to research purchases
Source: Forbes Advisor consumer survey
Behaviour shift
3.4x
Longer queries on AI search vs traditional search
Source: Semrush 2025 study
47%
Of marketers say AI search has reduced top-of-funnel traffic
Source: HubSpot State of Marketing
65%
Of users trust AI summaries when sources are cited
Source: Edelman Trust Barometer
39%
Of B2B buyers consult AI tools before vendor shortlisting
Source: Gartner B2B buying research
5–8
Average citations included in a ChatGPT answer
Source: OpenAI documentation
82%
Of users click at least one citation when shown
Source: Bain & Company AI search study
Business impact
32%
Average traffic decline for informational queries since AI Overviews launched
Source: Ahrefs AI Overviews study
2.1x
Higher conversion rate from AI-referred traffic vs organic
Source: Semrush 2025 study
57%
Of SMBs are unsure how to optimise for AI search
Source: BrightLocal local consumer review survey
<5%
Of websites have any AI-search optimisation in place
Source: Search Engine Journal industry benchmarks
Key takeaway
AI search is splitting attention away from the classic ten-blue-links page. Businesses that invest now in clarity, structure and authority will be the ones cited inside answers — and the ones still discoverable in three years.
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