The world's youngest parents were 8 and 9 and lived in China in 1910.
130
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
Forty percent of Americans have never visited a dentist.
33
The average American spends a third of their overall time online playing games and using social networks.
298