National Health Interview Survey (NHIS)

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4 Expiring ICRs 1 New ICR

Summary

The National Health Interview Survey (NHIS), conducted by the CDC's National Center for Health Statistics (NCHS), is the nation’s largest and longest-running health survey, monitoring the health of the U.S. population since 1957. NHIS collects and analyzes data on a wide range of health topics, with a focus on both adults and children. Each year, approximately 27,000 adults participate in confidential, face-to-face interviews, often providing health information about children in their households.

Historical Data Availability

No Known Issue

Future Data Availability

No Known Issue

Data Quality

High Risk
Questions on food security and immunization have been removed from the survey, and additional changes are being proposed starting in 2027.

Statutory Context

High Risk
Statutory authorization is vague.

Staffing and Funding

Moderate Risk
From FY2024 to FY2026, CDC lost approximately 30% of its workforce. Although CDC’s National Center for Health Statistics (NCHS) was affected by Reduction in Force activities in 2025, all impacted staff were subsequently reinstated. However, NCHS has experienced about 20% attrition since early 2025.

Policy

High Risk
An Information Collection Request submitted on 5/28/2025 removed two questions on gender identity due to Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In addition, questions on food security and immunization were removed from the survey in 2025.
Last updated: 2026-09-28

Details

Reference Number Title Agency Status Request Type
202609-0920-001 New [NCHS] National Health Interview Survey HHS/CDC Received in OIRA
No material or nonsubstantive change to a currently approved collection
202601-0920-011 Expiring [NCHS] National Health Interview Survey HHS/CDC Active
No material or nonsubstantive change to a currently approved collection
202509-0920-003 Expiring [NCHS] National Health Interview Survey HHS/CDC Active
No material or nonsubstantive change to a currently approved collection
202504-0920-017 Expiring [NCHS] National Health Interview Survey HHS/CDC Active
No material or nonsubstantive change to a currently approved collection
202411-0920-002 Expiring [NCHS] National Health Interview Survey HHS/CDC Active
No material or nonsubstantive change to a currently approved collection
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