At a glance
- The National Center for Health Statistics Data Query System features estimates of about healthy people are.
- Estimates are available about low birth weight and oral health.
- Estimates are based on data from the National Health and Nutrition Examination Survey, the National Health Interview Survey, and the National Vital Statistics System.

Health status
Description: Health status is a measure of how people perceive their health (excellent, very good, good, fair, or poor).
Details: The National Health Interview Survey (NHIS) provides the National Center for Health Statistics (NCHS) Data Query System (DQS) with data about this topic from household interviews.
Available data filters:
- Demographic characteristics, like sex and disability status
- Geographic characteristics, like region and metro area size
- Socioeconomic status, like health insurance coverage and poverty level
Explore NCHS DQS data on the following:
Low birthweight
Description: Infants born with a birthweight of less than 2,500 grams (5 lbs. 8 oz.) are considered low birthweight live births.
Details: Health, United States (HUS) publishes data from the National Vital Statistics System (NVSS).
Available data filters:
- Race
- State or territory.
Preliminary Data: DQS includes final data from NVSS. More recent preliminary data for this topic are available through NVSS Rapid Release Quarterly Provisional Estimates for Selected Birth Indicators and .
Explore NCHS DQS data on low birthweight live births by race and Hispanic origin:
Oral health
Description: Complete tooth loss is the loss of all natural, permanent teeth, a condition that is most common in those age 65 and older.
Details: The National Health and Nutrition Examination Survey (NHANES) provides the NCHS DQS with data about this topic from oral examination.
Available data filters:
- Age group
- Sex
- Race and Hispanic origin
- Sex and age group
Explore NCHS DQS data on .
Description: Dental caries, or tooth decay (cavities), is evidence of decay on the crown or enamel surface of a tooth. Untreated dental caries refers to caries that have not been treated or filled.
Details: The National Health and Nutrition Examination Survey (NHANES) provides the NCHS DQS with data on this topic from oral examination.
Available data filters:
- Sex
- Age group
- Race and Hispanic origin
- Sex and age group
Explore NCHS DQS data on the following: