Changing population - the basics of demography

5 important questions on Changing population - the basics of demography

What does demography measure

  • The size of growths of a population
  • births and deaths
  • immigrants and emigrants
  • number of men and women
  • distribution of age

How does a country keep track of its population

They register everybody in a system, so when a child is born it increases and when somebody dies it decreases

What is a birth rate

The number of babies born in a year per 1,000 inhabitents
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What is a death rate

The number of deaths per 1,000 inhabitants

What other factors can change population size

Migration

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