Nearly half of the entire world's adult population has never drunk alcohol.
12
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
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
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Roughly 90% of the world's population live in the northern hemisphere.
18
Only about 2% of the world population has green eyes.
36
About two hundred babies are born worldwide every minute.
237
Denmark has twice as many pigs as there are people.
66