Roughly a quarter of the world's people live in China.
50
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Only 10-20% of the population can wiggle their ears and raise one eyebrow.
22
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
According to the American Society for Microbiology, 90% of women and 75% of men wash their hands after using a public restroom.
170
On average, a person will spend about five years eating during his or her lifetime.
90
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
If you're over 100 years old, there's an 80% chance you're a woman.
143