What survey response rate is, and how to improve it
Response rate is the percentage of people invited to a survey who actually complete it: completed responses divided by invitations sent. Don't confuse it with completion rate, which measures how many of the people who started the survey made it to the end. They're two different problems, with different causes and different fixes.
What counts as a good response rate
It depends a lot on the channel. An email survey to an external list is usually somewhere between 10% and 30%. An in-app survey, shown to someone who's already using the product, can reach 60-85% because it doesn't depend on someone reopening an email. B2B surveys to customers with an existing relationship tend to perform better than surveys to anonymous consumers. There's no universal "good" number: what matters is comparing against your own history, not a generic benchmark from a different industry.
The distribution channel matters as much as the content
Before optimizing questions or design, it's worth checking how the survey is actually being distributed. A generic link shared once performs worse than a direct email invitation with the person's name, and both perform worse than showing the survey inside the product at the exact moment someone finishes using the feature you want to evaluate.
Timing matters more than it seems
Asking for feedback immediately after a relevant interaction (right after a purchase, right after closing a support ticket, right after finishing a key feature) gives much higher rates than asking days later, once the experience is no longer fresh. Sending on a weekday morning outperforms Friday afternoons or weekends, when the email gets lost among everything else.
The email subject line decides whether the survey even gets opened
When distribution is by email, the open rate puts a ceiling on the response rate: nobody completes a survey they never opened. A specific subject line ("How was your purchase yesterday?") outperforms a generic one ("We want your feedback"), and mentioning how long it takes ("2 minutes") lowers the perceived friction before someone even clicks.
Incentives help, but can skew the result
Offering a giveaway or a discount usually raises the response rate, but it can also attract people motivated only by the reward, who answer quickly without much thought, or even people who don't normally have a formed opinion on the topic. If you use an incentive, it's worth checking completion times: responses finished in less than half the average time tend to be unreliable.
A well-spaced reminder recovers real responses
A single reminder, sent 3 or 4 days after the original send and only to people who haven't responded, usually recovers a meaningful chunk of additional responses without feeling invasive. More than one reminder starts having the opposite effect: irritation and email unsubscribes.