What is the average penis size for a 17-year old boy

My penis is about 8 inches I am wondering is that the average penis size for a 17-year old??

The size of your penis is simply determined by factors, called genetic traits, which you inherited from your parents. There is nothing you can do to increase or decrease the size of your penis -- it will develop into its adult size as you change from a boy to a man through the process called puberty. Most boys start the changes of puberty between 10 and 14 years of age, though a few will start earlier or later than these ages. First, the testicles (balls) begin to enlarge and then hair starts to grow around the them. The penis then starts to enlarge, first in length and then later in thickness. Though there is much normal variation, the final penis size is reached four to six years after the testicles first started to enlarge.

This process of normal penis growth can be disturbing to many males. Since the testicles enlarge first (and later followed by growth of the penis), many young male teens do not notice the testicles growing and worry that they are not changing and that their penis is too small. If you are overweight, fat tissue can hide the penis somewhat and give an impression that the penis is smaller than it really is. Some males in your class may have started their changes of puberty well ahead of you and they may seem like they have an adult-size penis-that can be very upsetting! It is difficult to know how large a penis will be in its erect state, simply by looking at it when not erect (or when flaccid).