Q5 of 25 Page 6

What is population density?

Population density refers to the number of people per square kilometer of land area. The average density of population in the whole world is 45 persons per square km.

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3 Why is population study essential? 4 Sixty per cent of the world's people stay in just 10 countries. Name the countries with the percentage of world population. 6 What is the average density of population in India? 7 What are the different characteristics of population composition?