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13 facts tagged with Population Facts
There are more people living in London (8.3m) than the whole of Denmark (5.6m).
Nearly half of the entire world's adult population has never drunk alcohol.
There are approximately three chickens for every human on Earth.
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.
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
Roughly 90% of the world's population live in the northern hemisphere.
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
Only about 2% of the world population has green eyes.