How Do You Know If Your Ebook Niche Is Too Narrow?
How Do You Know If Your Ebook Niche Is Too Narrow?
Quick Answer: Your niche is too narrow if there are fewer than five books on the topic with bestseller ranks under 500,000, Google Trends shows minimal or no search interest, and Amazon autocomplete doesn't suggest related terms when you type your topic. A niche with no competition usually means no demand.
The advice to "niche down" is everywhere in self-publishing, and it's generally good advice. Specific books outsell generic ones. But there's a point where specificity tips into obscurity, and a topic becomes so narrow that not enough people are searching for it to sustain even modest sales.
How to Check If Your Niche Is Too Narrow
Search for your topic on the Kindle Store and count the results that are actively selling. If fewer than five books appear with a bestseller rank under 500,000, there may not be enough buyer interest to support your book. Some authors see zero competition and celebrate, but zero competition in a search-driven marketplace almost always means zero demand.
Check Google Trends for your topic. If the search interest line is flat at the bottom or shows no data at all, the topic doesn't register at a level that supports organic discovery. Compare your niche topic against a broader version of the same topic. If the broad version gets 50 times more search interest, your niche might be one level too specific.
Test Amazon autocomplete. Start typing your topic into the Kindle Store search bar. If Amazon doesn't suggest any related phrases, very few people are searching for that exact thing. If it suggests related phrases that are slightly broader than your topic, consider whether those broader phrases describe your book well enough to capture that search traffic.
Look for community activity. Search Reddit, Facebook groups, and forums for your topic. If you can't find active conversations about the subject, you may be targeting a problem that not enough people share, or one they don't think about as a distinct need.
How to Widen a Niche Without Going Generic
If your niche is too narrow, you don't have to abandon it entirely. You can widen it by one level of specificity.
"Sourdough bread baking for people with IBS" might be too narrow. "Gut-friendly baking" is one step wider and captures a larger audience while keeping the specificity that differentiates it from a general baking book. The adjustment is small, but the addressable market grows significantly.
Another approach is to keep the narrow topic as your primary angle but structure the book so it also serves readers with adjacent needs. A book about "productivity for ADHD freelancers" could include chapters relevant to any freelancer while maintaining its ADHD-specific focus throughout. The book description targets the narrow audience. The content serves a wider one.
Bottom Line
Specificity is good. Invisibility is not. If the data shows no one is searching for your exact topic, widen your angle by one step. You can always write for a specific reader while making the book discoverable to a broader group. For more on evaluating a niche, see How to Research a Niche for Your Ebook.
Q: Is it better to be too narrow or too broad with an ebook niche? A: Too narrow is the lesser risk. A narrow niche with some demand gives you a small but reachable audience. A broad niche puts you in competition with hundreds of established books and makes it almost impossible to rank in search results without an existing audience or ad budget.
Q: How do you know if a niche has enough demand? A: Look for at least five books in the Kindle Store with bestseller ranks under 100,000 and some level of search interest on Google Trends. If both signals are present, there's enough demand to justify writing the book.