What is the average body fat for a 13-year-old boy?

The average body fat percentage for a 13-year-old boy is around 19%.

This number can vary depending on a number of factors, such as genetics, diet, and activity level. In general, boys tend to have a higher percentage of body fat than girls at the same age. This is because boys typically have more muscle mass than girls, which weighs more than fat.

Here is a general guideline for body fat percentages for 13-year-old boys:

* Healthy weight: 15-23%

* Overweight: 24-33%

* Obese: 34% or higher

It is important to note that these are just general guidelines, and the ideal body fat percentage for any individual will vary depending on a number of factors.

If you are concerned about your son's weight, it is important to talk to his doctor. They can assess your son's growth and development and recommend any changes that may be necessary to help him maintain a healthy weight.