penis size statistics

Penis Size Statistics

Penis Size Averages Inches
Average American penis size in length while flaccid 3.89 inches
Average American penis size in length while erect 6.21 inches
Average penis circumference while flaccid 3.75 inches
Average penis circumference while erect 4.85 inches
Semen Production Percentages Percent
Testicles and epididymes 5 %
Seminal vesicles 62 %
Prostate gland 28 %
Bulbourethral and urethral glands 5 %
The average volume of semen produced at ejaculation 3 ml
Statistic & Data References
Sources: Journal for Sex Research (vol. 24,pp. 177-183) , World Health Organisation
Date research was conducted: January 11th, 2016