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.

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
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.
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
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.
Uninsured
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.