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b'Although people in the United States have historically been reasonably supportive of federal censuses and surveys, they are increasingly unavailable for or not willing to respond to interview requests from federalas well as privatesources. Moreover, even when people agree to respond to a survey, they increasingly decline to complete all questions, and both survey and item nonresponse are growing problems.In March 2016, the National Academies of Sciences, Engineering, and Medicine convened a workshop to consider the respondent burden and its challenges and opportunities of the American Community Survey, which is conducted by the U.S. Census Bureau. This publication summarizes the presentations and discussions from the workshop.'