Epidemiology of Asthma in Children and Adults

  • According to the Centers for Disease Control and Prevention (CDC), approximately 7% of children and 8% of adults have asthma, for an aggregate total of more than 26 million people in the United ,2
  • Asthma is responsible for more than 1.7 million visits to emergency departments each year and results in 13.8 million missed days of school2
  • Asthma results in missed work for 1 in 3 adults in the United States3
  • Asthma is responsible for more than 43,000 hospitalizations each year2
  • The prevalence of asthma is higher in the African American population than 1
  • According to some estimates, the direct and indirect costs of asthma may exceed $80 billion per year,4 with severe
  • Current data reveal the inverse relationship between prevalence of asthma and annual household income4,5




  1. Centers for Disease Control and Prevention. Most recent national asthma data. March 30, 2021 (https://www.cdc.gov/asthma/most_recent_national_asthma_data.htm).
  2. Centers for Disease Control and Prevention. Control asthma. September 2019 (https://www.cdc.gov/sixeighteen/asthma/index.htm).
  3. Centers for Disease Control and Prevention. Adult Missed Days of Work. (https://www.cdc.gov/asthma/asthmadata/adult_missed_work.html).
  4. Nurmagambetov T, Kuwahara R, Garbe P. The economic burden of asthma in the United States, 2008-2013. Ann Am Thorac Soc. 2018;15:348-356. doi:10.1513/AnnalsATS.201703-259OC
  5. Bahadori K, Doyle-Waters MM, Marra C, et al. Economic burden of asthma: a systematic review. BMC Pulm Med. 2009;9:24. doi:10.1186/1471-2466-9-24