Age has nothing to do with it, we get what we get when we get it. Some have it before puberty, at 10 and some never get that much. Whatever you end up with, that is what you are supposed to have.
The average penis length in fully grown men is 5-6 inches.
Five to seven inches is normal. Eight inches is a bit longer then normal.
The average length of an erect adult penis is 6 to 7 inches however the range of lengths that is considered normal is anything from 2 inches up to 10 inches or so.
That depends on whether you are measuring your penis while it is flaccid or erect. A flaccid penis would be about 3 inches normally. An erect penis is usually 4-6 inches.
Unless you started puberty at a really early age then at thirteen you won't have finished puberty yet. Therefore your penis is likely to continue growing for some time to come. However the growth rate will probably slow down considerably. The length of the average adult's erect penis is 6 to 7 inches.
A human male's penis continues growing until he is around the age of 19. The average length at full growth is 5-6 inches.
See the chart below on averages: Age 11 - 3 inches aroused Age 12 - 3.8 inches aroused. Age 13 - 4.8 inches Age 14 - 5.4 inches Age 15 - 5.6 inches Age 16 - 5.7 inches Age 17 - 5.8 inches Age 18 - 5.8 inches Age 19+ - 5.9 inches so showing age 13 average is 4.8" so you are right on target for your age/size.
my penis is
The average adult penis is between 3 and 4 inches flaccid and 6 inches erect so you can say 6 inch soft is big.
The average penis size in Asian countries is the same as in every other country, about 5.5-6 inches when erect, as measured on the top of the penis.
Jay's Sean penis is about 6-7 inches.
the average penis is about 6 inches and it will feel amazing