Interactive Data Query Systems
Looking for a particular estimate from NHIS?
Interactive data query systems are available for preliminary and final data.
Interested in estimates based on preliminary data through the 2023 NHIS? Data are available quarterly or biannually, and the biannual system includes estimates by selected population subgroups.
Interested in estimates based on final data from the 2019 – 2022 NHIS? Data are available for adults and children and include estimates by various population subgroups.
Information on obtaining historical estimates from 2018 and earlier is available at the bottom of this page.
Annual estimates for the U.S. child population by demographic subgroup
Annual estimates for the U.S. adult population by demographic subgroup
Three-year averages for the U.S. adult population by detailed race and ethnicity
18-month estimates for the U.S. teen population by demographic subgroup. Data comes from NHIS-Teen, a pilot study of teenagers who answered on their own behalf.
Historical NHIS Estimates
Summary Health Statistics for 2015–2018 are available as part of a pilot interactive data query system for adults and children, while estimates for 2013–2018 are provided in a series of online tables.
For the 1997–2012 NHIS, Summary Health Statistics are provided in three Vital and Health Statistics Series 10 Reports (one each for adults, children, and the total population), and for the 1962–1996 NHIS, similar descriptive statistics are provided in Current Estimates reports.