Share of voice is the percentage of total brand mentions in a category that go to a specific brand. It is the most important competitive metric in AI visibility — mention rate tells you whether you appear at all, share of voice tells you how much of the category conversation you own.Documentation Index
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Why it matters
Mention rate alone is insufficient for competitive benchmarking. A 15% mention rate might be category-leading in one vertical and below average in another. Share of voice normalizes for category density — it measures your presence as a fraction of all competitive presence, not as an absolute number. If your category has five major brands and you account for 40% of all AI mentions, you are the category leader even if your absolute mention rate is only 20%. Conversely, a 50% mention rate in a category with twenty competitors where the top brand captures 85% of mentions means you are not actually winning.Formula
brand_mentions— total count of mentions for your brand across all category queriestotal_category_mentions— sum of mentions for all brands (including yours) across the same queries
Example calculation
A skincare brand tracks 50 category queries. Across all runs, AI platforms mention skincare brands a total of 420 times in their answers. Your brand is mentioned 84 of those times.Cited Index benchmark — share of voice
The following percentiles are computed from the Cited Index, March 2026 edition — a sample of 253 Indian brands across 8 categories, measured using non-branded category queries. See the benchmarks methodology for details on what these numbers measure and how they differ from customer dashboards.Overall distribution
Across 281 brand-category observations:| Percentile | Share of voice |
|---|---|
| p10 | 0.43% |
| p25 | 0.86% |
| p50 (median) | 1.67% |
| p75 | 3.66% |
| p90 | 7.40% |
By category
Categories with fewer brands show higher per-brand share of voice because the denominator is smaller — Audio & Wearables brands capture a median 4.04% share compared to just 0.78% in the 55-brand CRM & Sales category.| Category | Brands | p25 | p50 | p75 |
|---|---|---|---|---|
| Audio & Wearables | 22 | 2.46% | 4.04% | 5.79% |
| Travel & Luggage | 21 | 1.86% | 3.53% | 5.94% |
| Skincare & Beauty | 21 | 2.02% | 2.69% | 6.73% |
| Online Learning | 34 | 1.64% | 2.09% | 3.60% |
| Credit Cards | 42 | 1.27% | 1.90% | 2.54% |
| HR & Payroll | 31 | 0.82% | 1.64% | 4.60% |
| Digital Payments | 55 | 0.43% | 0.86% | 1.28% |
| CRM & Sales | 55 | 0.39% | 0.78% | 1.55% |
What changes this metric
- Relative mention volume vs. competitors — if you gain mentions faster than the category average, your share of voice grows even if competitor mentions are also rising
- Category concentration — if one dominant brand captures most mentions, everyone else’s share of voice stays low regardless of individual mention rate
- New competitor entries — when a new brand is added to the competitive set, the denominator expands and everyone’s share drops proportionally
- Query coverage drift — share of voice is sensitive to which queries are tracked; adding queries that favor competitors lowers your share
How Cited measures it
Cited runs each prompt in your prompt library and extracts all brand mentions from every response. For your tracked brand and each configured competitor, Cited counts the total mentions across all queries. Share of voice is computed as your brand’s count divided by the sum of all tracked brands’ counts (including yours), then expressed as a percentage. For the Cited Index, all brands in a category are part of the competitive denominator — there is no pre-selected competitive set. Each brand’s share is calculated as its mentions divided by the total category mentions across all brands in that category.Related concepts
- Mention rate — whether the AI mentions you at all
- Competitor gap analysis — how to identify prompts where you are missing and competitors are present
- Average position — where your brand ranks when mentioned
- Benchmarks methodology — how Cited Index percentiles are computed
Frequently asked questions
How is share of voice different from mention rate?
How is share of voice different from mention rate?
Why are Cited Index share of voice benchmarks so low?
Why are Cited Index share of voice benchmarks so low?
Should I include myself in the competitor set when measuring share of voice?
Should I include myself in the competitor set when measuring share of voice?
Does share of voice account for branded queries?
Does share of voice account for branded queries?
How often should I review share of voice?
How often should I review share of voice?