Health Insurance

NCHS Data Query System Topics
For Everyone

At a glance

  • The National Center for Health Statistics Data Query System (DQS) features estimates of health insurance coverage by type of coverage.
  • DQS also provides estimates of the percentage of people in the United States that are uninsured.
  • These estimates are based on data from the National Health Interview Survey.
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Health insurance coverage at time of interview among adults

Health insurance can help cover the cost of medical expenses. Health insurance includes private health insurance, Medicare, Medicaid, Children's Health Insurance Program (CHIP), state-sponsored or other government-sponsored health plan, or military plan.

Health insurance coverage at time of interview among adults

Sources

The National Health Interview Survey (NHIS) provides DQS with data about this topic from household interviews.

Preliminary Data

DQS includes final data from NHIS. More recent preliminary data for this topic are available through the NHIS Early Release Program.

Exchange-based coverage at time of interview among adults

Exchange-based coverage is a private health insurance plan purchased through the Health Insurance Marketplace or state-based exchanges established as part of the Affordable Care Act of 2010.

Exchange-based coverage at time of interview among adults

Get statistics from the NCHS Data Query System.

Sources

The National Health Interview Survey (NHIS) provides DQS with data about this topic from household interviews.

Preliminary Data

DQS includes final data from NHIS. More recent preliminary data for this topic are available through the NHIS Early Release Program.

Uninsured

People are considered uninsured if they do not have coverage under private health insurance, Medicare, Medicaid, public assistance (through 1996), Children's Health Insurance Program (CHIP), a state-sponsored or other government-sponsored plan or program, or a military health plan.

Sources

The National Health Interview Survey (NHIS) provides DQS with data about this topic from household interviews.

Preliminary Data

DQS includes final data from NHIS. More recent preliminary data for "uninsured at time of interview among adults" are available through the NHIS Early Release Program.

Content Source
National Center for Health Statistics
About This Page
Published: June 25, 2025
Updated: July 28, 2026

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: July 28, 2026

The information on this page was last reviewed by subject matter experts to ensure accuracy.