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IB ESS HL 8.1.8 Demographic transition model Question Bank

Practise IB ESS SL/HL 8.1.8 by applying demographic transition model concepts to exam-style environmental systems questions.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • identify the relevant environmental system, process or evidence
  • apply the correct ESS concept and explain the causal relationship
  • evaluate the outcome using ecological, social or management evidence

8.1.8—Demographic transition model question 1

[Maximum number: 2]

Question (a)

(a)
Population pyramid for New Zealand, 2023

Figure:Population pyramid for New Zealand, 2023

With reference to Figure: Population pyramid for New Zealand, 2023, state which stage New Zealand would be on the Demographic Transition Model (DTM).

[ 1 ]

Question (b)

(b)

Outline one limitation of using the Demographic Transition Model (DTM) in predicting the growth of the population of New Zealand.

[ 1 ]
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