Only about 2% of the world population has green eyes.
36
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
There are approximately three chickens for every human on Earth.
13
If the population of China walked past you, in single file, the line would never end because of the rate of reproduction.
1k
Roughly 90% of the world's population live in the northern hemisphere.
18
There are about 255 babies born worldwide every minute.
46
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