How Many Children Die Of Diarrhea Annually?

How Many Children Die Of Diarrhea Annually? Key facts. Diarrhoeal disease is the second leading cause of death in children under five years old. It is both preventable and treatable. Each year diarrhoea kills around 525 000 children under five. How many children die from diarrheal disease? Diarrhea: Common Illness, Global Killer Diarrhea kills 2,195