Get rid of baby fat on your lower abs by adding 30 minutes of cardio to your lifestyle at least three times a week; this will help reduce stress, too.
Babies have the most, being born at about 78%. By one year of age, that amount drops to about 65%. In adult men, about 60% of their bodies are water. However, fat tissue does not have as much water as lean tissue. In adult women, fat makes up more of the body than men, so they have about 55% of their bodies made of water. Thus: 1  Babies and kids have more water (as a percentage) than adults. 2  Women have less water than men (as a percentage).
Average: On average, adult humans have 57 to 60 % water by mass. The variability depends on muscle and body fat. More: The human body has a variable water content that châ¦anges daily and with age and gender and body type. On average, adult humans have 57 to 60 % water by mass. At birth, a baby can have up to 75% water weight and this decreases with age. Obese individuals can have as little as 45% water weight. Women tend to have a few percent less water weight than men, but this is largely a difference in muscle and body fat between individuals.