Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
14
If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
1k
There are approximately three chickens for every human on Earth.
13
Nearly half of the entire world's adult population has never drunk alcohol.
12
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
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Only about 2% of the world population has green eyes.
36
Denmark has twice as many pigs as there are people.
66