Secondary sources, ranked by defensibility
Government statistics and regulatory filings sit at the top: methodology is published and updates are predictable. Trade associations and industry bodies come next. Vendor reports and press summaries are useful for direction, not for precision.
- Statistical agencies and census data for market size and structure
- Regulatory filings for competitor financials and segment detail
- Trade associations for volume, pricing and adoption benchmarks
- Job postings, tenders and permits as early demand signals
When you need primary research
If the question is about willingness to pay, switching triggers, or why a deal was lost, no published dataset will answer it. Twelve structured conversations with the right buyers beat a hundred pages of secondary summary.
Triangulate, then state your assumptions
Build the estimate two ways — top-down from market size and bottom-up from unit economics — and reconcile the gap. Documenting the assumption behind each figure is what makes the research reusable.
Common questions
How do I check whether a data source is credible?
Look for a published methodology, a stated sample and collection date, and whether independent sources land in the same range.
How current does market research data need to be?
Structural data can be a few years old; pricing, demand and competitive data should generally be within twelve months.
Final thoughts
The hardest part of market research is not finding numbers. It is deciding which numbers you are willing to defend in front of someone who will spend money based on them.
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