2026 NHIS Questionnaires, Datasets, and Documentation

For Everyone

At a glance

  • Find survey methods, questionnaires, and other resources used to collect 2026 National Health Interview Survey (NHIS) data.
  • Access important technical information to help you understand, use, and analyze 2026 NHIS data.

Overview

Resources on this page provide information about the 2026 National Health Interview Survey (NHIS) data collection, its participants, and its protocols, as well as analytic notes and references. They will help you understand, analyze, and use the 2026 NHIS data.

Questionnaires and survey materials

Earlier NHIS data

Get older NHIS data documentation from the CDC Archive.