Semrush: Google AI Overviews appear on 88% of US commercial keywords

Semrush tracked 400 fixed US desktop commercial keywords and found AI Overviews on 88% of them by August 2026, up from 45.75% in September 2025. Weighted by search volume, coverage reaches 97.08%.

• AI Overview coverage rose from 45.75% to 88% in 11 months
• Search-volume-weighted coverage reaches 97.08%
• A 600,000-keyword study across 10 industries showed 71% growth
• Affected queries cover alternatives, pricing, reviews and brand comparisons