4. Approximately how much of the world's population lives in cities?

A. 80 percent

B. 50 percent

C. 75 percent

D. 25 percent

50%

Explanation:

Statistics show that, as at 2018, over 55% of world's population lived in the city.

It is also projected that, in the year 2030, about 60% of world's population will live in urban settlements (cities)

With these realities, approximately, 50% of world's population live in the city