Survey Methods
 

National Poll on Healthy Aging surveys are conducted using a nationally representative probability-sample panel of U.S. households, the KnowledgePanel® (GfK, LLC). The KnowledgePanel® is the largest national, probability-based panel in the U.S.

National Poll on Healthy Aging surveys are fielded 2–3 times per year with a sample of approximately 2,000 KnowledgePanel® members age 50–80. Findings from the National Poll on Healthy Aging do not represent the opinions of the University of Michigan. The University of Michigan reserves all rights over this material.

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