The phrase "response rate" refers to the percentage of people who respond or reply to a particular request, survey, or communication. It measures how many people participate or engage in a specific activity or interaction. Full definition
In 2017, however, some universities saw a drop in response rates of over 20 % from the previous year. (inspiringinterns.com)
They can never get high response rates on these things. (judithcurry.com)
As a resume writer, I am very interested in response rates on resumes, and this kind of analysis can tell a candidate so much about how their job search is going. (recareered.com)