Only about 2% of the world population has green eyes.
36
About two hundred babies are born worldwide every minute.
237
Nearly half of the entire world's adult population has never drunk alcohol.
12
There are approximately three chickens for every human on Earth.
13
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
Roughly 90% of the world's population live in the northern hemisphere.
18
If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
1k
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11