Worldwide, approximately 7–13% of cases in children result in hospitalization, whereas in the developed world between 22 and 42% of adults with community-acquired pneumonia are admitted.
Globalt sett leder cirka 7–13 % av fall hos barn till sjukhusinläggning, medan 22 till 42 % vuxna med samhällsförvärvad pneumoni tas in på sjukhus.