Asthma
Data are for the U.S.
Morbidity
- Number of adults aged 18 and over who currently have asthma: 19.2 million
- Percent of adults aged 18 and over who currently have asthma: 7.7%
- Number of children under age 18 years who currently have asthma: 5.5 million
- Percent of children under age 18 years who currently have asthma: 7.5%
Physician office visits
- Number of physician office visits with asthma as a primary diagnosis: 9.8 million
Emergency department visits
- Number of emergency department visits with asthma as a primary diagnosis: 1.6 million
Source: 2018 NHAMCS Public Use File
Mortality
- Number of deaths: 3,524
- Deaths per 100,000 population: 1.1
Source: National Vital Statistics System – Mortality Data (2019) via CDC WONDER
Related FastStats
More data
- Trends in Asthma from Health, United States
- Early release of selected estimates from the National Health Interview Survey
- Characteristics of Asthma Visits to Physician Offices in the United States: 2012–2015 National Ambulatory Medical Care Survey pdf icon[PDF – 876 KB]
- Quickstats: Percentage of All Emergency Department Visits Made by Patients with Asthma, by Sex and Age Group – National Hospital Ambulatory Medical Care Survey, United States 2014–2015
Related Links
- Ambulatory Health Care Data
- Mortality Statistics
- National Health Interview Survey
- Centers for Disease Control and Prevention: Asthma
- National Institute for Occupational Safety and Health: Asthma
- National Heart, Lung and Blood Institute: Asthmaexternal icon
- National Institute of Environmental Health Sciences: Asthmaexternal icon
- Environmental Protection Agency: Asthmaexternal icon
Page last reviewed: March 1, 2021
Content source: CDC/National Center for Health Statistics