Penis size, ejaculation, and what happens when you try to ...
· Average erection sizes by age are: Age Length 11 " 12 " 13 " 14 " 15 " 16 " 17 " 18 " 19 " Remember: These are just averages! They do not mean that you are abnormal if your measurements are smaller or larger. Every male is a unique person; it is okay if your penis is not the same size as the ...