National Health and Nutrition Examination Survey

NHANES August 2021-August 2023

Related Pages

After suspension of NHANES field operations in March 2020 due to the COVID-19 pandemic, data collection began for a new 2-year cycle in August 2021. The August 2021-August 2023 nationally representative data files are based on an updated sample design and modified questionnaires, and examination procedures.


Data, Documentation, Codebooks
Contents in Detail
Using the Data
Contents at a Glance
Content source: CDC/National Center for Health Statistics