National Health and Nutrition Examination Survey (NHANES)

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Summary

The National Health and Nutrition Examination Survey (NHANES) is the most in-depth survey designed to evaluate the health and nutritional status of adults and children in the United States. This survey combines information from interviews and physical examinations.The first NHANES program began in the early 1960s. Since 1999, the survey has examined about 5,000 people in 15 different counties across the country each year. The NHANES sample is selected to represent the entire U.S. population.

Agency HHS, CDC
Data Checkup

Historical Data Availability

No Known Issue

Future Data Availability

No Known Issue

Data Quality

High Risk
Response options related to gender identity were removed from the data collection instrument.

Statutory Context

High Risk
Statutory authorization vague.

Staffing and Funding

No Known Issue

Policy

High Risk
In April 2025, the ICR revision removed response options related to gender identity in response to Executive Order 14168.
Last updated: 2026-07-15

Details

OMB Control Number 0920-0950
Authorizing Statutes 42 USC 306, Pub.L. 104 - 170 301, Pub.L. 110 - 234 4403, 21 USC 393
Related ICRs
Reference Number Title Agency Status Request Type
202504-0920-015 [NCHS] National Health and Nutrition Examination Survey (NHANES) HHS/CDC Active
No material or nonsubstantive change to a currently approved collection
202409-0920-012 [NCHS] National Health and Nutrition Examination Survey (NHANES) HHS/CDC Active
Revision of a currently approved collection
202603-0920-003 [NCHS] National Health and Nutrition Examination Survey (NHANES) HHS/CDC Active
No material or nonsubstantive change to a currently approved collection
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