What is the US prevalence of asthma?

Updated: Oct 07, 2019
  • Author: John J Oppenheimer, MD; Chief Editor: Michael A Kaliner, MD  more...
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Prevalence in the United States

The general prevalence of asthma is difficult to determine, because definitions and survey methods vary, but the incidence of the condition appears to be on the rise. The disease’s prevalence has been estimated as 10.9%, with asthma affecting more than 22 million people, including more than 6 million children. [9, 1]  Ongoing birth cohort studies may help us develop a better understanding of prevalence in the future.

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