Asthma

• 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%

Source: Summary Health Statistics Tables for U.S. Adults: National Health Interview Survey, 2018, tables A-2b, A-2c pdf icon[PDF – 137 KB]

• 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%

Source: Summary Health Statistics Tables for U.S. Children: National Health Interview Survey, 2018, tables C-1b, C-1c pdf icon[PDF – 99 KB]

• Number of physician office visits with asthma as a primary diagnosis: 9.8 million

Source: National Ambulatory Medical Care Survey: 2016 National Summary Tables, tables 15 pdf icon[PDF – 793 KB]

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

Source: National Hospital Ambulatory Medical Care Survey: 2017 Emergency Department Summary Tables, table 12 pdf icon[PDF – 863 KB]

• Number of deaths: 3,564
• Deaths per 100,000 population: 1.1

Source: Deaths: Final Data for 2017, Supplemental Tables, tables I-12, I-13 pdf icon[PDF – 1.93 MB]

• Ambulatory Health Care Data
• Mortality Data
• 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