Roughly a quarter of the world's people live in China.
50
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
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
About 3000 years ago, most Egyptians died by the time they were 30!
18
Babies cry but they don't produce tears until one to three months after birth.
238
The higher the income, the more likely an American man will cheat on his wife.
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