Does size matter? Men's and women's views on penis size across the lifespan.

The media equate a man’s penis size with his power and masculinity. Views about penis size were assessed in an Internet survey of 52,031 heterosexual men and women. Most men (66%) rated their penis as average, 22% as large, and 12% as small. Self-reported penis size was correlated positively with height and negatively with body fat level. Whereas 85% of women were satisfied with their partner’s penis size, only 55% of men were satisfied with...