Survey sample size: 100 people. Is it enough?
A 100-person B2B survey has a ±9.8% margin of error (MoE) at 95% confidence level. Is this directionally accurate? Absolutely.
If the total market is 1,000 companies, 100 respondents = 10% of the population (far more representative than in B2C).
A far more critical factor than population size is representativeness. If the sample of 100 respondents truly representative of your target market segment, it matters much less.
Even with a MoE of ~10%, you can still reliably identify strong trends and general directions.
For example:
- If 70% of your 100 respondents express interest in a new feature, the true population percentage is likely between 60% and 80%. You can confidently say there's strong interest.
- If only 20% express interest, the true percentage is likely between 10% and 30%. You can see that interest is weaker.
Also, each B2B participant often represents significant revenue potential (e.g., a single enterprise client worth $1M/year).
A well-designed survey targeting specific roles/industries (e.g., VPs of Marketing in Financial Services) yields more actionable insights than a generic, larger sample.