IGCSE Development Studies: Specimen Questions with Answers 32 - 33 of 98

Passage

High Death Rate

Question 32 (4 of 7 Based on Passage)

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What is birth rate minus death rate?

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Explanation

Birth rate minus death rate is the rate of natural increase. The rate of natural increase in population is the difference between the number of live births and the number of deaths occurring in a year, divided by the mid-year population of that year multiplied by a factor.

  • Rate of natural increase is equal to the difference between the crude birth rate and crude death rate which measures the effect of migration on change in population. Rate of natural increase is calculated in percentage form.
  • Example, if birth rate is 15 per 1,000 population and the mortality rate is 5 per 1,000 population, then the natural increase in population will be calculated by,

That is

Question 33 (5 of 7 Based on Passage)

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Explain the following:

General fertility rate

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Explanation

The rate refers to the proportion of the number of children born per thousand of females, the reproductive child bearing age. Normally 15 to 49-year age are taken for the calculation of fertility rate. The GFR shows how much women in child bearing age added to the existing population through birth.