What is the average sized penis for an 18 year old?

Read this again guys its official research that has been done into penis size for age and carries all the information you are all asking about!

Average Penis Length What is the average penis length? There has never been an official investigation into the average penis length of adult men. Therefore the internet holds a wide variation of average lengths. The most common measurement (based on scientific research) is an average erect penis length of 5.5 inches (14cm), with the majority of penises somewhere between 5.3 inches (13.5 cm) and 6.3 inches (16 cm). Recent research about the average penis length shows that men from Stoke-on-Trent have the longest penis, and men from Bristol the biggest girth. It is hard to say what the real penis average in the UK is, because it really depends on the research.  See also: Average Number of Kissing Partners  What is the average flaccid penis length? A flaccid penis measures about two-thirds the length of an erect penis. The average flaccid penis length of a grown man is 3.9 inches (9.9 cm). How can I measure average penis length? If you would like to know how your penis compares to the average penis length you should measure from the pubic bone to the tip of the penis. When does your penis stop growing? Your penis will grow as you get older. But your penis only really starts growing when you hit puberty. Most of the growth takes place between the ages of 10 and 15 years old. Your penis stops growing when you’re about 20 years old. Below you can see the average penis lengths in different age categories: Age - Average penis length 12 years old - 2.8 to 4.1 inches (7.1 to 10.4 cm) 13 years old - 3.4 to 5.4 inches (8.6 to 13.7 cm) 14 years old - 3.9 to 5.7 inches (9.8 to 14.6 cm) 15 years old - 4.6 to 6 inches (11.8 to 15.3 cm) 16 years old - 4.9 to 6.2 inches (12.5 to 15.7 cm) 17 years old - 5.3 to 6.3 inches (13.5 to 15.9 cm) 18 years old - 5.4 to 6.3 inches (13.7 to 16 cm) What is considered a small penis? An erect penis length of 4.3 to 7.9 inches (10.9 to 20 cm) is generally considered normal. An erect penis length of less than 3.9 inches (9.9 cm) only occurs in 1 out of 5.000 men. The smallest penis ever measured was 0.6 inch (1.5 cm). What is considered a large penis? An erect penis that is longer than 8.7 inches (22.1 cm) is considered a very large penis. According to surveys this only occurs in 1 out of 10.000 men. The largest penis ever measured was 13 inches (33 cm). What is the average penis length in other countries? Africa boasts the largest average penis length. Surveys show that men in Congo and Ghana have the longest average penis length, with an average of about 7.1 inches (18 cm). In Europe the French men have on average the longest penis, followed by the Swedish and Estonian men. This is also the top three in regards to largest penis girth. The smallest average penis length is found in Asia. South-Korea has the shortest average penis length, measuring 3.9 inches (9.9 cm). India and China are close behind.

you also need to learn how to measure length correctly as well what a lot dont seem to know!