
Asthma death rates in the United States in 2021, by state
experiencing an asthma episode in the past 12 months.
Mississippi, Hawaii, and Oregon were the top three leading U.S states by number of deaths due to asthma per million population as of 2021. Mississippi reported 15.3 deaths per million population with asthma as the underlying cause of death, while Hawaii reported 13.7 deaths. In 2020, around 41 percent of people in the United States with asthma reported