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.
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The world's youngest parents were 8 and 9 and lived in China in 1910.
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Roughly a quarter of the world's people live in China.
50
Every workday, 6.7 million people commute to Manhattan!
26
If you're over 100 years old, there's an 80% chance you're a woman.
143
There are two credit cards for every person in the United States.
2
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