A five-year old girl would have an average waist size of 20-22 inches, depending on her height, diet and ethnicity.
[From experience]
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.
The average waist size for an 11 year old is- Girl: 25-30 inches Boy: 26-31 inches
30 in
35.5
18 inches
about a mile.
24-29
32
26”.
25 inches
24-29
30-33