NHANES - National Health and Nutrition Examination Survey Homepage

National Health and Nutrition Examination Survey

Survey Participants

Picture of group of diverse people

If you were selected, learn more about participating

Survey Data and Documentation

Picture of computers

Access data, documentation & response rates

Publications and Products

Image of charts

View health and nutrition reports & CDC Growth Charts

Data Analysis Tutorials

image of woman at computer

Review step-by-step guidance on using NHANES data

Survey Participants

Picture of group of diverse people

If you were selected, learn more about participating

Publications and Products

Image of charts

View health and nutrition reports & CDC Growth Charts

Survey Data and Documentation

Picture of computers

Access data, documentation & response rates

Data Analysis Tutorials

image of woman working on computer

Review step-by-step guidance on using NHANES data

Analytic Guidance and 2024 NHANES Survey Content Proposal Process Webinar

Low Resolution Video

National Report on Human Exposure to Environmental Chemicals

Explore the new NHANES Interactive data visualization dashboards.

Image of breakfast consumption by age

What's New

Publications

National Health and Nutrition Examination Survey, 2017–March 2020 Prepandemic File: Sample Design, Estimation, and Analytic Guidelines

Data Release

Vitamin A, Vitamin E & Carotenoids (VITAEC_J 2017-2018)
Folate Forms – Total & Individual – Washed RBCs (FFMR_K_R 2019-2020)

Updated Data

Hepatitis (2017-2018)

Page last reviewed: May 27, 2022

Content source: National Center for Health Statistics

Related Sites