It depends on what you started with.
I recall reading a study that stated that the average male will loose as much as .5 inches of penis length every 10 years after age 30.
So if you are average, and at age thirty you had a penis size of 6 inches from base to tip (average size males range from 4 to 6 inches), then by age 45, you should be somewhere in the neighborhood of 5.25 inches.
Keep in mind that this is the size of your penis in it's flaccid state. Erection size has more to do with good blood circulation that musculature.
Also, good diet and exercise as well as keeping your weight under control can delay penis shrinkage due to aging as well as many other physical deficiencies that arise as a result of the aging process.
World wide average is 5.8 inches.
the same when he was 17 years.
About 4-5 inches
The average penis size for an adult is 3-4 inches flaccid and 5-6 inches erect.
well the average size for a penis for 16 -18 year old is about 6.6 in. - 7.5in.
A 5" penis is perfectly normal.
About average
Quite small
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.
6 to 7 inches.
The average length of a seven-year-old boy's penis is between 2 and 2.8 inches when erect.
Mine is 6.2" but average is 4.5"-5". Hope this helps!
That's the average size for adults!
adultamerican average is 5 1/2 inches
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.