There is no researched number of articles that creates topical authority or AI citations, and any specific figure you see is a practitioner rule of thumb. The bottom line: decide the number from your subject, by counting the distinct questions customers ask, publish pages that each answer one, and stop when the questions are covered and your measured share of answers stops improving, not when you reach a count.
Related: our guide to answer engine optimization defines the term and lists eight steps.
What the sources say about a number
| Claim you may see | What we found |
|---|---|
| 8 to 15 cluster pages per pillar | A practitioner convention in guides such as Rankeo's, with no study behind it |
| A page count that unlocks authority | No published research. Neil Patel notes there is no single score for topical authority |
| Percentages such as 73% of AI citations going to sites with topical depth | We could not trace this to a primary study, so we do not use it |
| Google requires a certain amount of content | Google says its AI features have no additional requirements and no ideal length |
How to derive your own number
- List the subject's questions. Sales calls, support email, Search Console, competitor FAQs, and the follow ups AI suggests.
- Merge duplicates. Questions with the same answer belong on one page.
- Count what remains. Each distinct question that deserves a full answer is a page.
- Check your existing pages. Rebuild the thin ones before writing new ones.
- Publish in priority order. Highest value questions first.
- Measure after each batch. Run the subject's questions and compare shares.
- Stop or continue on evidence. If share is still rising, keep going. If it flat lines, look at corroboration and quality.
Examples of how the count differs
- A single location dentist might have 15 to 25 distinct question pages across services, insurance, and pricing.
- A software company selling into three industries may need a page per industry, per integration, and per comparison, which can be far more.
- A personal injury firm needs pages per case type and per jurisdiction question.
These are illustrations of how the count varies, not benchmarks.
Quality beats count
When we audited our own AI visibility articles, 17 of 81 were under 150 words and 50 more under 500, and adding more pages of that kind would not have helped. Google warns against scaled content created mainly to manipulate rankings or AI answers. A smaller set of deep pages with sourced numbers serves better than a larger set of thin ones.
Questions people ask
How many articles do I need for topical authority?
There is no researched number. Count the distinct questions customers ask on the subject, write one strong page for each, and use measured share of answers to decide when to stop.
Is 10 articles enough?
Only if the subject has about 10 distinct questions and each page answers one well. The number is set by the subject, not a rule.
Does Google require a minimum amount of content for AI Overviews?
No. Google says there are no additional requirements, and its guidance as reported by Hikoo says there is no ideal length.
Should I publish more thin articles to reach a target?
No. Google warns against scaled content created mainly to manipulate results, and thin pages give systems nothing to quote.