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
Denmark has twice as many pigs as there are people.
66
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
Only about 2% of the world population has green eyes.
36
There are about 255 babies born worldwide every minute.
46
Roughly 90% of the world's population live in the northern hemisphere.
18
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11