Information for NHIS Participants

What to know

  • The National Health Interview Survey (NHIS) is the nation's largest household health survey.
  • NHIS collects health information from people living in the United States.
  • All personal information collected is confidential.
The National Health Interview Survey logo shows the outline of a house with three people and a data trend line inside.

About NHIS

The National Health Interview Survey (NHIS) is the nation’s largest and oldest household survey. NHIS has been collecting data on the nation's health continuously since 1957. The success of NHIS depends on participation from people like you.

A long-running federal survey considered to be the gold standard by researchers
"A long-running federal survey considered to be the gold standard by researchers."—The New York Times

Note‎

The National Center for Health Statistics, part of the Centers for Disease Control and Prevention, conducts NHIS.

Your participation is important!

By taking part, you will provide the nation with important information about a wide range of health topics for both children and adults. Topics include—

  • Health insurance
  • Access to affordable medical care
  • Health conditions and diseases
  • Mental health
  • Health behaviors

Your information will be protected and combined with thousands of other survey responses.

The government's premier tool for annually assessing Americans' health and behaviors
"The government's premier tool for annually assessing Americans' health and behaviors." The Washington Post

Help tell the story of our nation’s health

Your participation helps NHIS provide complete and accurate data about health in the United States.

People use NHIS data to learn about Americans’ access to health care, the quality of their health care, and how well the healthcare system meets people’s needs. Local, state, and federal agencies trust and rely on NHIS data to guide health policy and make sound spending choices.

Learn how your contributions help‎

Use our interactive data query systems to see highlights from the latest NHIS findings.
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Content Source:
National Center for Health Statistics