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JAMB Economics 1998 Question 6

Question 6

Population

Population Statistics of a Country
AGE RANGE IN YEARS | % OF POPULATION 1960 | % OF POPULATION 1990
60 and above | 35 | 38
18 - 59 | 40 | 42
1 - 17 | 25 | 20
The dependency ratio between 1960 and 1990 is

  1. A.increased by 5%
  2. B.increased by 2%
  3. C.decreased by 2%
  4. D.decreased by 5%.
Show the answer and explanation

Answer: C (decreased by 2%)

Explanation

Dependants (under 18 and 60+) were 25 + 35 = 60% in 1960 and 20 + 38 = 58% in 1990, so the dependent share fell by 2%.