Share of U.S. adults with asthma who had an asthma attack in the past year 2001-2021
In 2021, around 40 percent of adults in the United States with asthma had one or more asthma attacks in the past 12 months. This statistic shows the percentage of adults in the U.S. with asthma who had one or more asthma attacks in the past year from 2001 to 2021.