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.
Di seluruh dunia, kira-kira 7–13% dari kasus di kalangan anak-anak memerlukan rawat inap sementara di dunia maju antara 22 hingga 42% orang dewasa dengan pneumonia yang diperoleh dari komunitas dirawat di rumah sakit.