Define Immigrants.

Discuss the factors influencing the distribution and density of population in the world.

Discuss the three stages of demographic transition.

What does the term population distribution refer? 

Why people migrate?

What was the world population in 2001 A.D.?

How many people are added each year to world population?

Which river valleys are densely populated in India?

Describe the negative growth of population:

What is positive growth of population?

How many years will some developed countries take to double its population?