Welcome to the National Health and Nutrition Examination Survey

Illustration of diverse group of people
How You Were Selected
Your house­hold is one of a few chosen from your community and we need your help
Learn More
The National Health and Nutrition Examination Survey logo shows the outline of an apple. The apple's base is an EKG line
Information for Participants
Take part in the only national health survey with exams and lab tests for participants of all ages
Picture of smiling Asian family--child, mom, dad, and grandmother
Why Participate
NHANES provides benefits to you and your community
Young black mom and toddler. Toddler holds a stethoscope to an Asian provider's chest.
What to Expect
What to expect when participating in NHANES

Featured results and resources

Diabetes
Prevalence of Total, Diagnosed, and Undiagnosed Diabetes in Adults: United States, Aug 2021–Aug 2023
Growth Charts
Clinical tools used to track children's growth
Anemia
Anemia Prevalence: United States, August 2021–August 2023