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- Search by keyword:
dementia, "retirement planning"
or by entering a research question:
how many people are caregivers? - Use quotes for phrase searches; use the minus sign to remove items from results:
"leisure activities" -"sporting events" - A Boolean “and” is inferred for multiple search terms.
- Stemming is automatic; do not use an asterisk.
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Browse NACDA Data
- New/Updated within the last 90 days
- Funded by the National Institute on Aging
- All Series Data
- All Restricted-Use Data
- All studies in the variables database
Most Downloaded
- Midlife in the United States (MIDUS 1), 1995-1996
- Midlife in the United States (MIDUS 2), 2004-2006
- Midlife in the United States (MIDUS 2): Biomarker Project, 2004-2009
- Midlife in the United States (MIDUS 3), 2013-2014
- National Health and Nutrition Examination Survey (NHANES), 2005-2006
- National Health and Nutrition Examination Survey (NHANES), 2007-2008
- Midlife in the United States (MIDUS 2): Daily Stress Project, 2004-2009
- Midlife in the United States (MIDUS Refresher), 2011-2014
- National Social Life, Health and Aging Project (NSHAP): Wave 3
- National Social Life, Health, and Aging Project (NSHAP): Wave 1, [United States], July 2005-March 2006
Difference between a dataset and a study?
A dataset is a building block of a data collection or study. It is a file containing cases or observations, and the data collected for each case are presented in a grid format.
A study is a detailed investigation and analysis of subjects or situations. It is a collection of data containing one or more datasets, as well as codebooks, data collection instrument files, reports, and other related materials, associated with each dataset.