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Unit 4: Managing population change

8 dot points, in syllabus order. Each dot point has a focused answer, with exam-style questions and worked answers where available.

Where are the world's megacities and world cities, and why has their distribution shifted?

Recognise and explain the spatial distribution of megacities and world cities and the shift toward the developing world

Spatial distribution of megacities and world cities. Covers the definition of megacities, the global shift to Asia and Africa, world city networks and primacy, with cases including Tokyo, Lagos, Delhi and Jakarta.

6 min read →

How and why has world population distribution changed since the 1700s?

Explain changes in world population distribution, including internal and international migration since the 1700s and projected 21st century change

Changes in world population distribution and migration since the 1700s. Covers the demographic transition, internal and international migration, push and pull factors and 21st century projections, with Australian and global cases.

6 min read →

How are 21st century population changes projected and managed through policy?

Explain projected 21st century population change and the policies governments use to manage growth, decline and ageing

21st century population projections and population policies. Covers projection methods, ageing and decline, pronatalist and antinatalist policies and migration policy, with Australian and global cases including China, Japan and Australia.

6 min read →

How do the demographic transition model and population structure explain how populations change?

Explain population change using the demographic transition model, population pyramids and dependency ratios

Demographic transition model and population structure. Covers the five stages, birth and death rates, population pyramids, dependency ratios and ageing, with Australian and global cases including Japan, Niger and Australia.

6 min read →

What processes drive the growth of megacities and what challenges do they create?

Explain the processes of urbanisation and megacity growth and the challenges they create for people and environments

Processes of urbanisation and megacity growth and the challenges they create. Covers rural-urban migration, natural increase, informal settlements, infrastructure and environment, with cases including Lagos, Delhi, Jakarta and Dhaka.

6 min read →

What geographical challenges to liveability and sustainability do megacities face?

Explain the geographical challenges to liveability and sustainability created by rapid megacity growth

Geographical challenges of megacity growth. Covers informal settlements, housing, transport, water, sanitation, air quality and liveability, with cases including Lagos, Jakarta, Delhi and Dhaka.

6 min read →

How can population change be managed sustainably at a local Australian scale?

Analyse demographic characteristics and population change for a selected Australian place and propose management responses

Analysing demographic change for a selected Australian place and proposing management responses. Covers population pyramids, ageing, growth and decline, data sources and planning responses, with Australian regional and suburban cases.

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How can a geographical challenge in a megacity be managed sustainably?

Propose and evaluate action for managing a geographical challenge in a selected megacity

Proposing and evaluating action to manage a geographical challenge in a selected megacity. Covers transport, housing, water, flooding and sustainability, with cases including Curitiba, Medellin, Jakarta and Lagos.

6 min read →