A search for almost any product category followed by the words "market size" will return a stream of press-release style announcements, each promising a precise figure for some future year and a precise growth rate. Some come from careful research firms. Many are marketing for reports generated from a template, where the market name changes but the structure, the regions and the adjectives stay the same. You do not need inside knowledge to spot the difference. You need a checklist.
The red-flags checklist
No single item proves a report is poor. Several together should make you very cautious.
- Methodology that could describe any market. Phrases about "extensive primary and secondary research" and "a robust triangulation process" with no mention of who was interviewed, how many, or which sources were used for this specific market.
- Copy-paste regional lists. The same list of countries appears in every report from the publisher, whatever the market. A report on a product sold mainly in a handful of countries that still gives a full breakdown for every region is a warning sign.
- Impossible precision. A market size given to the nearest thousand dollars for a year still in the future. Forecasts are estimates; quoting them to many significant figures signals false confidence.
- Identical regional commentary. Each region "is expected to witness significant growth owing to rising demand and technological advancements". When the text is interchangeable, the analysis probably is too.
- A company list that mixes unrelated firms. Profiles of large conglomerates that barely participate in the market alongside omissions of obvious specialists.
- No scope definition. No clear statement of what is included and excluded from the market.
- Undated or missing base year. You cannot tell which figures are actual and which are forecast.
- Several wildly different sizes for the same market. If the same publisher releases different numbers for the same market in different announcements, the numbers are not anchored to anything stable.
- Growth drivers that are generic. "Increasing awareness", "rapid urbanisation" and "growing demand" listed without any link to how much they move the forecast.
- Sample pages heavy on table of contents, light on content. If the free sample is mostly a list of chapter headings, you are being sold a structure, not findings.
Why template reports exist
Producing original research is slow and expensive. Interviews take time to arrange, data has to be bought or collected, and analysts need to understand the industry. A template approach, where a generic model is run against a list of market names, can produce thousands of titles cheaply. Press releases then advertise those titles, and the precise-looking figures get picked up and repeated elsewhere. The result is that a single unverified number can appear in many places, which can make it look better supported than it is.
Tests you can run yourself
- Recompute the growth rate. Use the start and end values to calculate the CAGR. If it does not match the quoted rate, something is wrong. See our CAGR explainer.
- Add up the segments. Regional or product segments should sum to the total for the same year. Small rounding differences are normal; large gaps are not.
- Compare with something you can verify. Public company revenues, official trade statistics or industry association figures can act as anchors. If a report's estimate of a whole market is smaller than one known supplier's sales in that category, the definitions or the numbers are off.
- Search for a distinctive sentence. Paste an unusual phrase from the summary into a search engine. If it appears in reports on unrelated markets, the text is templated.
- Ask the publisher about the method. A reputable publisher can usually tell you, before purchase, roughly how many interviews were done and with what kinds of respondents.
What good looks like
Quality reports tend to be modest in tone. They define the market tightly, explain choices, show ranges or scenarios, admit where data is thin and round their forecasts sensibly. Regional sections differ because the markets differ. Company profiles describe what each supplier actually does in this category. The methodology names the kinds of sources used and the number and type of interviews.
None of this guarantees accuracy. Forecasts are hard and careful researchers are often wrong. But a report that shows its working at least lets you judge the assumptions yourself, which is the main thing you are paying for.
Unfamiliar term? See the glossary.