Google AI Overviews now trigger on 25 to 48% of searches. Organic click-through rates drop 15 to 47% when they appear.
1 min read
What changed
As of Q1 2026, roughly 25% of all Google searches trigger an AI Overview. In categories like health, finance and B2B technology, that figure reaches 48%.
Organic click-through rates drop between 15% and 47% when an AI Overview appears on the results page.
Some publishers report traffic declines as high as 89% for specific content types that AI Overviews answer directly.
What it means
This is not a future threat. It is happening now. If your content strategy relies on ranking for informational queries that Google can answer in a paragraph, your organic traffic ceiling is shrinking every quarter. The businesses winning in this environment are those with proprietary data, original research and brand authority that AI cannot easily replicate. For Australian businesses in finance, health and professional services, this is especially urgent.
What to do
Audit your top 20 organic landing pages in Search Console and check which keywords now trigger AI Overviews
Prioritise content with proprietary data, original analysis or expert commentary that AI cannot summarise away
Invest in brand search volume (people searching your name directly bypasses AI Overviews entirely)
Add structured data (FAQ schema, HowTo schema) to increase your chances of being cited in AI Overviews
Source: MarketingProfs, The AI Marketers and B2the7 (April 2026)