Water Content in Babies: Percentage Breakdown & Development

Babies are composed of a surprisingly high percentage of water! Here's a breakdown:

* Newborns: Around 75-78% water.

* Infants: This percentage gradually decreases as they grow, but still remains high.

* By 1 year old: The water content drops to approximately 65%

So, to put it simply, a newborn baby is roughly 75-78% water.