From 10 to18 cm: The penis size in a country comparison. Are you Average penis size by country: worldwide comparison Singapore, , , %.
PARIS (AFP) - What is an "average" size for a penis? The enduring question now has a scientific answer: cm in length when erect, and.
Most men with concerns about penis size actually have completely normal-sized penises, says Debra Herbenick, Ph.D., M.P.H., a professor and director of the Center for Sexual Health Promotion at Indiana University Bloomington. Here, she tells Men’s Health.