Share of those with asthma who had an asthma attack in the past year U.S. 2001-2021
In 2021, around 39 percent of people in the U.S. with asthma experienced an asthma attack within the past 12 months. This statistic depicts the percentage of people in the U.S. with asthma who had one or more asthma attacks in the past 12 months from 2001 to 2021.
