Anything above or below the global average of 5.8 inches could theoretically be classed as 'abnormal'. HOWEVER - remember - penis size is in proportion to the rest of the body !
Whatever size it happens to be, they are all different.
I'm not 18.
The size of the penis does not change after puberty, so it will be the same size as it was when you were 20. The average size of an adult male is 5.5 inches, as measured from the top.
Well... I am a 13 year old and i have a 3.4-3.5 inch penis so basically you as a 14 old should a penis size of about 3.0 inches to 4 inches so... Yeah your penis size is a normal average size for a 14 year old.
A 5" penis is perfectly normal.
7 incheserect
No.
The average penis size for an adult is 3-4 inches flaccid and 5-6 inches erect.
If you are referring to your penis size, you can not exceed the natural growth by any means. Blood erects the penis and when it is done flowing, the penis is at its full length.
About average
Quite small
The average length of a seven-year-old boy's penis is between 2 and 2.8 inches when erect.