Penis Size Statistics
Statistic Verification
Source: Journal for Sex Research (vol. 24,pp. 177-183) , World Health Organisation
Research Date: 5.16.2012
Penis Size AveragesInches
Average American penis size in length while flacid3.89 inches
Average American penis size in length while erect6.21 inches
Average penis circumference while flacid3.75 inches
Average penis circumference while erect4.85 inches
Semen Production PercentagesPercent
Testicles and epididymes5 %
Seminal vesicles62 %
Prostate gland28 %
Bulbourethral and urethral glands5 %
The average volume of semen produced at ejaculation3 ml
Tags:

statistics on the average penis size ? what is the average male penis size in inches ? how big is the average penis size ? what is the average penis circumference in inches ? how much sperm is produced during ejaculation ?