It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Most of the world's people must walk at least 3 hours to fetch water!
38
About 2/3 of American men prefer boxers to briefs.
83
A person swallows approximately 295 times while eating dinner.
63
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Forty percent of Americans have never visited a dentist.
33
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