Share of U.S. people with asthma who had an asthma attack in the past year in 2020
In 2020, around 43 percent of children aged 0 to 17 years in the United States with asthma had one or more asthma attacks in the past 12 months. This statistic shows the percentage of people in the U.S. with asthma who had one or more asthma attacks in the past year as of 2020, by age group.