Average Waist size for a 5 year old boy is 21"
Average waist size for a 17 year old boy?
30
The average waist size of a six year old girl is between 22.5 to 25 inches. The average waist size of a boy of the same age is between 23 and 25 inches.
28 to 32
40 INCH
24-29
20 inches
28 to 32
30-05 inches .
I am 12 years old I have a body waist of 22". Average would be 25"-30".
maybe around 80 or 90
The average waist size for a 9 year old boy is between 24 and 29 inches. The average height and weight of a boy of the same age is 52.5 inches tall and 63 lbs.