There is no average shoe size for a 15 year old girl. Shoe size can vary and it depends on height.
The average shoe size for a 2 year old girl is a US size 8. This size is in Adult size.
About a size 231
three
size 1-5
The average shoe size for a 7 year old girl is around a size 2 to 3 in children's shoes. However, this can vary depending on individual growth and development.
usually about size 3 or 4.
Between size 8 and 9
Everyone is different!
Most likely a typical 4 yo girl will wear 9 1/2 to 10 size shoe.
It varies for everyone.
Usually from 4-6.