Enterprise AI in Numbers · Adoption and spend
Google's share of search engine referrals worldwide
89.94%
89.94% as of September 30, 2026, according to StatCounter Global Stats, down from 91.02% on August 31, 2026. Google's share of search engine referrals in the month.
What it means for leaders
Google still sends the large majority of search visits, so AI search optimisation complements rather than replaces search optimisation. Watch for a sustained decline before shifting budget.
What would change the reading: Several months in a row below the previous year.
The trend
Every reading
| Date | Value | Change | Source |
|---|---|---|---|
| 89.94% | −1.08 points | Source | |
| 91.02% | −0.30 points | Source | |
| 91.32% | +0.07 points | Source | |
| 91.25% | +0.79 points | Source | |
| 90.46% | +0.44 points | Source | |
| 90.02% | +0.17 points | Source | |
| 89.85% | −0.16 points | Source | |
| 90.01% | +0.14 points | Source | |
| 89.87% | −0.95 points | Source | |
| 90.82% | +0.83 points | Source | |
| 89.99% | −0.05 points | Source | |
| 90.04% | −0.34 points | Source | |
| 90.38% | +0.49 points | Source | |
| 89.89% | +0.35 points | Source | |
| 89.54% | ±0.00 points | Source | |
| 89.54% | −0.03 points | Source | |
| 89.57% | −0.08 points | Source | |
| 89.65% | −0.06 points | Source | |
| 89.71% | −0.44 points | Source | |
| 90.15% | +0.37 points | Source | |
| 89.78% | +0.05 points | Source | |
| 89.73% | −0.26 points | Source | |
| 89.99% | +0.65 points | Source | |
| 89.34% | −0.66 points | Source | |
| 90.00% | −0.50 points | Source | |
| 90.50% | −0.52 points | Source | |
| 91.02% | −0.04 points | Source | |
| 91.06% | +0.26 points | Source | |
| 90.80% | −0.11 points | Source | |
| 90.91% | −0.47 points | Source | |
| 91.38% | −0.23 points | Source | |
| 91.61% | +0.14 points | Source | |
| 91.47% | — | Source |
Definition and method
- What it measures
- Google's share of search engine referrals in the month.
- Population
- Visits referred by search engines to the websites StatCounter tracks, worldwide
- Updated
- Monthly
- Source
- StatCounter Global Stats · CC BY-SA 3.0
Caveats
- AI chatbots are tracked separately and are not part of the search engine total.
- Referrals undercount searches answered on the results page without a click.
Cite this
Enterprise AI in Numbers, "Google's share of search engine referrals worldwide", https://lucianoayres.com/ai-brief/data/google-search-share/, retrieved October 25, 2026. Data: StatCounter Global Stats.