5.1 Today, where does humankind live in?

i. 56% of the world population lives in urban settlements and 44% is rural. Most of the urban population lives in medium cities (1 to 5 million people).

ii. 56% of the world population lives in urban settlements and 44% is rural. Most of the urban population lives in settlements with less than 300,000 people.

iii. 44% of the world population lives in urban settlements and 56% is rural.