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JAMB Economics 1986 Question 10

Question 10

Population

A country has a population distribution as shown below:
Age Group in Years | Corresponding Percentage
Above 60 | 22
15 - 60 | 60
0 - 14 | 15
The dependency ratio is

  1. A.3 : 2
  2. B.1 : 3
  3. C.2 : 3
  4. D.1 : 5
Show the answer and explanation

Answer: C (2 : 3)

Explanation

Dependants are the under-15s and over-60s: 15 + 22 = 37%. Workers are 60%. 37 : 60 is roughly 40 : 60 = 2 : 3.