Asthma

• 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: 4.9 million
• Percent of visits to office-based physician with asthma indicated on the medical record: 6.3%

Source: National Ambulatory Medical Care Survey: 2019 National Summary Tables, tables 14, 16 [PDF – 865 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 [PDF – 1.4 MB]

• Number of deaths: 3,517
• Deaths per 100,000 population: 1.1

Source: National Vital Statistics System – Mortality Data (2021) via CDC WONDER

• 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