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
Denmark has twice as many pigs as there are people.
66
About two hundred babies are born worldwide every minute.
237
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
Nearly half of the entire world's adult population has never drunk alcohol.
12
Only about 2% of the world population has green eyes.
36