It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The higher the income, the more likely an American man will cheat on his wife.
94
Someone on Earth reports seeing a UFO every three minutes.
180
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
30
The average American consumes 9 pounds of food additives every year.
6
Men fall in love faster than women do.
32
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234