Only about 2% of the world population has green eyes.
36
There are approximately three chickens for every human on Earth.
13
About two hundred babies are born worldwide every minute.
237
Denmark has twice as many pigs as there are people.
66
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
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 about 255 babies born worldwide every minute.
46