Asthma
Data are for the U.S.
- Percent of adults aged 18 and over who currently have asthma: 8.0% (2021)
Source: Interactive Summary Health Statistics for Adults: National Health Interview Survey, 2019-2021
- Percent of children under age 18 years who currently have asthma: 6.5% (2021)
Source: Interactive Summary Health Statistics for Children: National Health Interview Survey, 2019-2021
- Annual number of office visits for asthma: 5.8 million
- Percent of visits to office-based physician with asthma indicated on the medical record: 5.9%
Source: National Ambulatory Medical Care Survey: 2018 National Summary Tables, tables 14, 17 [PDF – 793 KB]
- Number of emergency department visits with asthma, excluding chronic obstructive asthma, as a primary diagnosis: 1.2 million
Source: National Hospital Ambulatory Medical Care Survey: 2020 National Summary Tables, table 11
- Number of deaths: 4,145
- Deaths per 100,000 population: 1.3
Source: National Vital Statistics System – Mortality Data (2020) via CDC WONDER
Related FastStats
More data
- 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: Asthma
- National Institute of Environmental Health Sciences: Asthma
- Environmental Protection Agency: Asthma