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
Nearly half of the entire world's adult population has never drunk alcohol.
12
About two hundred babies are born worldwide every minute.
237
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