Which of these necessarily implies that the Total fertility rate of a country is increasing ........

Geography Population Issues

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Which of these necessarily implies that the Total fertility rate of a country is increasing?

Population of the country is growing.

Population is ageing.

Death rates have declined considerably in the past.

None of the above

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Explanation:

Option A: Population may increase due low death rates or immigration too. So, A is not necessarily correct.

Option B: Ageing population implies that survival ratio (death rate) in the country is low, particularly those countries which have had high birth rates in the past. It does not give conclusive information about the total fertility rates. So, B is also incorrect.

Option C: It follows from A and B that C must be incorrect.

Option D: Hence, D is the only logical choice.