above average and in the 5%

Here are some key points about the average penis size. More detail and supporting information is in the summary.
While 85% of women were satisfied with the size and proportion of their partner's penis in a study, men were less sure of themselves.1
45% of men in the study believed they had a small penis.
Across studies it has been concluded that flaccid lengths range around 7 to 10 centimeters (2.8-3.9 inches).
Flaccid circumferences range around 9 to 10 centimeters (3.5 to 3.9 inches).
Erect lengths range around 12 to 16 centimeters (4.7 to 6.3 inches).
Erect circumference (only one previous study) was around 12 centimeters (4.7 inches).