Only about 2% of the world population has green eyes.
36
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
There are approximately three chickens for every human on Earth.
13
Denmark has twice as many pigs as there are people.
66
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Nearly half of the entire world's adult population has never drunk alcohol.
12
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70