Overpopulation in many urban centers around the world is a major problem. What are the causes of this and how can this problem be solved?

Keywords

overpopulation

overpopulated 

excessively large numbers of people

excessive populations 

urban centers 

cities 

metropolitan areas 

metropolises 

Topic Specific Words

employment opportunities 

server

multinational corporation

rural migration 

relocate

tax deductions or subsidies 

operations