The age-adjusted prevalence of COPD in adults in the United States was 5.9%, and in 2018 the country estimated the prevalence of current asthma in individuals of any age at 7.9%.
Maambukizi yaliyorekebishwa kulingana na umri ya COPD miongoni mwa watu wazima nchini Marekani ni 5.9% na mnamo 2018, Marekani ilikadiria maambukizi ya ugonjwa wa pumu miongoni mwa watu wa umri wote ulikuwa 7.9%.