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University of Wisconsin–Madison
Center for Demography of Health and Aging and Center for Demography and Ecology

The Wisconsin Longitudinal Study (WLS)

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“The Wisconsin Longitudinal Study (WLS) is a long-term study of a random sample of 10,317 men and women who graduated from Wisconsin high schools in 1957. The WLS provides an opportunity to study the life course, intergenerational transfers and relationships, family functioning, physical and mental health and well-being, and morbidity and mortality from late adolescence through 2011. WLS data also cover social background, youthful aspirations, schooling, military service, labor market experiences, family characteristics and events, social participation, psychological characteristics and retirement. “

You may access biodemographic data documentation here