What Percentage of Searches Now Show AI Answers?
48% of Google queries now trigger AI Overviews. ChatGPT processes 2.5 billion prompts daily, with 65% qualifying as search. Gartner predicts a 25% drop in traditional search volume by 2026.
Nearly half of all Google queries (48%) now trigger AI Overviews — the AI-generated summaries that appear above traditional search results. For informational queries the figure is even higher: 70-80%. ChatGPT processes 2.5 billion prompts daily, with roughly 65% qualifying as search-intent queries. Gartner predicts traditional search volume will drop 25% by the end of 2026. The shift is not theoretical — it is measurable and accelerating.
Google AI Overviews: the 48% figure
Google's AI Overviews now appear on approximately 48% of all search queries. But that average masks a significant split by query type:
| Query type | AI Overview rate | Example |
|---|---|---|
| Informational | 70-80% | "What is AI search optimisation" |
| Commercial investigation | 30-40% | "Best AI SEO agencies UK" |
| Navigational | 10-15% | "Rank4AI login" |
| Transactional | 5-10% | "Buy SEO audit" |
If your business targets informational queries — guides, how-tos, explanations — the majority of your search results pages already include AI-generated content. Your organic listing is no longer competing just with other websites. It is competing with Google's own answer.
ChatGPT as a search engine
ChatGPT processes approximately 2.5 billion prompts per day, with an estimated 65% carrying search intent. That translates to roughly 1.6 billion daily queries that function as search — making ChatGPT one of the largest search engines in the world by volume, despite not being classified as one.
Users are increasingly typing questions into ChatGPT that they would previously have typed into Google. The distinction between "chatbot" and "search engine" has blurred to the point of irrelevance for practical marketing purposes. If someone asks ChatGPT "best AI search agencies in the UK" and your business is not mentioned, you have lost a potential customer — regardless of whether that interaction technically counts as a search.
The Gartner prediction: 25% drop by 2026
Gartner's widely cited forecast predicts a 25% decline in traditional search engine volume by the end of 2026. This does not mean people are searching less. It means they are searching differently — through AI assistants, conversational interfaces, and platforms that provide direct answers rather than lists of links.
The implications for businesses:
- Organic traffic from Google will decline — even if your rankings hold, fewer users will click through to your site
- AI citations become the new traffic source — being mentioned by ChatGPT, Gemini, or Perplexity becomes equivalent to ranking on page one
- Multi-platform visibility is essential — relying on Google alone means missing the growing share of queries handled by other AI platforms
Other AI platforms by volume
| Platform | Estimated daily queries | Primary index |
|---|---|---|
| Google AI Overviews | 4+ billion (48% of ~8.5bn daily) | |
| ChatGPT | ~1.6 billion (search-intent) | Bing |
| Copilot | Not disclosed | Bing |
| Gemini | Not disclosed | |
| Perplexity | ~15 million | Multiple |
| Claude | Not disclosed | Own crawl + web search |
What this means for your business
The percentage of searches involving AI is not a future trend — it is a current reality affecting roughly half of all search activity. Businesses that only optimise for traditional organic rankings are already missing a significant and growing share of how potential customers find information.
The starting point is understanding that AI search is not a separate channel — it is the evolution of the channel you already depend on. The same queries your customers type into Google are increasingly answered by AI before they ever see your organic listing.
See all AI search statistics · Learn what AI search optimisation involves
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Oliver Mackman
AI Search Analyst, SEOCompare
Oliver leads SEOCompare's editorial and comparison research. With over a decade in digital marketing, he oversees agency evaluation, tool testing, and AI search data analysis.
Last reviewed: 7 April 2026
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