Public NCHS Data

You may have a health or medical research topic in mind and need to see how it was implemented in the different surveys. Or you may have picked a data system but need more information about the datasets, survey cycles, or data years. Click on a link below to reach “Questionnaires, Datasets, and Related Documentation” or a similar page for each data system.

Links to Major NCHS Data Systems

• National Health and Nutrition Examination Survey (NHANES)
• National Health Care Surveys (NHCS)
• National Health Interview Survey (NHIS)
• Vital Statistics System (NVSS)

Links to Other NCHS Data Sources

• Longitudinal Studies of Aging (LSOA)
• NCHS Data Linkage Activities (Linkage)
• National Immunization Survey (NIS)
• National Survey of Family Growth (NSFG)
• State and Local Area Integrated Telephone Survey (SLAITS)