A demographic survey of a municipality in West Africa recorded a population structure cons… — JAMB UTME

A demographic survey of a municipality in West Africa recorded a population structure consisting of $12{}000$ children aged under 15 years, $20{}000$ adults aged 15–64 years, and $4{}000$ elderly individuals aged 65 years and above. What is the total dependency ratio of this municipality?

$80.0\%$ Cevap
B
$125.0\%$
C
$44.4\%$
D
$60.0\%$

Cevap

The total dependency ratio of the municipality is

80.0\%

The total dependency ratio measures the pressure on the productive population by comparing non-working age groups (under 15 and 65+) to the working-age group (15–64). With

16{}000

total dependents and

20{}000

working-age individuals, the ratio is

(16{}000 / 20{}000) \times 100 = 80.0\%

Adım Adım Çözüm

Calculate the total dependent population

Dependent population = Youth (under 15) + Elderly (65 and above) =

12{}000 + 4{}000 = 16{}000

Dependents include all individuals outside the economically active age range of 15–64 years.

Identify the working-age population

Working-age population =

20{}000

The population aged 15–64 years represents the economically active group.

Apply the total dependency ratio formula

\text{Dependency Ratio} = \left( \frac{16{}000}{20{}000} \right) \times 100 = 80.0\%

The formula for Dependency Ratio is (Total Dependents / Working-Age Population) * 100.

Anahtar Kavram

Dependency Ratio Calculation

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