Asthma

Data are for the U.S.

Morbidity
  • Percent of adults aged 18 and over who currently have asthma: 8.0%

Source: Interactive Summary Health Statistics for Adults: National Health Interview Survey, 2019

  • Percent of children under age 18 years who currently have asthma: 7.0%

Source: Interactive Summary Health Statistics for Children: National Health Interview Survey, 2019

Physician office visits
  • 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 17 pdf icon[PDF – 793 KB]

Emergency department visits
  • Number of emergency department visits with asthma as a primary diagnosis: 1.6 million

Source: National Hospital Ambulatory Medical Care Survey: 2018 National Summary Tables, table 12pdf icon

Mortality
  • Number of deaths: 3,524
  • Deaths per 100,000 population: 1.1

Source: National Vital Statistics System – Mortality Data (2019) via CDC WONDER

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Page last reviewed: August 23, 2021