National Health Interview Survey
The principal source of information on the health of the civilian, non-institutionalized U.S. population, collected through in-person household interviews since 1957.
Overview
The National Health Interview Survey (NHIS) monitors the health of the U.S. population through household interviews. Browse collections by survey year and their products — Sample Adult, Sample Child, Paradata, imputed income, and pair weights — or search variables by name and label.
Dataset Resources
Browse Collections
Explore NHIS by navigating through its collections, modules, and variables.
Search Variables
Search for specific variables by name or label across the entire NHIS dataset.