There are approximately three chickens for every human on Earth.
13
Roughly 90% of the world's population live in the northern hemisphere.
18
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
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
Denmark has twice as many pigs as there are people.
66
If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
1k
Nearly half of the entire world's adult population has never drunk alcohol.
12
Only about 2% of the world population has green eyes.
36