1. people who do not respond to a survey, questionnaire, or request for information
Usage: plural form; commonly used in research, statistics, and social science contexts

Examples

• The survey had a 60% response rate, with nonrespondents making up the remaining 40%.
• Researchers must account for nonrespondents when analyzing census data.
• The study's findings may be skewed if nonrespondents differ significantly from those who participated.
• Follow-up calls were made to nonrespondents to increase the overall response rate.
• Nonrespondents in the poll were more likely to be younger adults.
• The researchers weighted the data to adjust for nonrespondents.