Writing Task 2 · Problem and solution

Urban Overpopulation: Addressing Challenges and Developing Effective Solutions: IELTS Writing Task 2 sample answer

An IELTS Writing Task 2 problem and solution essay question with a Band 8 sample answer, the plan behind it, the vocabulary that lifts it and what an examiner looks for.
  • 261 words
  • Problem and solution
  • General Training
  • 40 minutes

The question

The population of most cities is growing as people move to cities to find work and new opportunities. What problems does overpopulation in cities cause? How can these problems be solved?

About 40 minutes. Write at least 250 words.

Problem and solution

Plan before you write

  1. 1

    Your position

    Rapid urbanisation creates critical infrastructure strain and social disparity, which necessitate strategic urban planning and decentralised economic development.

  2. 2

    Paragraph 2

    The primary issue stemming from excessive city growth is the overwhelming pressure placed on public infrastructure and essential services.

  3. 3

    Paragraph 3

    To mitigate these challenges, governments must prioritise decentralised development and invest in sustainable public transportation systems.

  • →Name one or two specific problems, not a general complaint.
  • →Match each solution to a problem and say who would carry it out.
  • →Keep problems and solutions in separate paragraphs so the structure is visible.

Model answer

Band 8 sample essay

Band 8261 words · use the structure and vocabulary, not the sentences

The global trend of rural-to-urban migration has led to unprecedented population density in major metropolitan areas. While cities offer significant economic prospects, this rapid expansion creates severe logistical and social complications that require immediate attention.

The primary issue stemming from excessive city growth is the overwhelming pressure placed on public infrastructure and essential services. When urban centres expand beyond their intended capacity, housing shortages inevitably emerge, leading to the proliferation of informal settlements and exorbitant rent prices. Furthermore, public transport and healthcare systems often struggle to cope with the sheer volume of users. For instance, in cities like Jakarta, the influx of workers has resulted in chronic traffic congestion and inadequate waste management, significantly diminishing the quality of life for long-term inhabitants.

To mitigate these challenges, governments must prioritise decentralised development and invest in sustainable public transportation systems. By offering tax incentives and infrastructure support to businesses that establish headquarters in smaller towns or regional hubs, authorities can distribute the population more equitably. Simultaneously, city planners should focus on high-density, green urban design that utilises vertical space effectively. The successful implementation of such policies in cities like Copenhagen, where cycling infrastructure and decentralised districts are prioritised, demonstrates that urban growth can be managed without compromising the welfare of citizens.

In summary, while the concentration of people in cities is a natural consequence of economic advancement, the resulting strain on resources is undeniable. Through a combination of regional economic diversification and intelligent infrastructure investment, the negative impacts of overpopulation can be successfully addressed, ensuring that cities remain sustainable environments for future generations.

Examiner's view

Why this scores Band 8

This essay achieves Band 8 by directly answering both parts of the prompt with nuanced solutions and specific examples, maintaining a sophisticated academic tone throughout. A Band 6 response typically fails to provide concrete solutions, often relying on vague suggestions like 'the government should help' without explaining how or why.

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8 words

Vocabulary from the essay

  • unprecedented

    never having happened or existed in the past

  • proliferation

    the rapid increase in the number of something

  • exorbitant

    prices or demands that are unreasonably high

  • chronic

    a problem that continues for a long time

  • mitigate

    to make something less severe or painful

  • decentralised

    moving power or activity away from central areas

  • equitably

    in a way that is fair and impartial

  • diversification

    the process of becoming more varied or different

More words for this topic: IELTS vocabulary for society.

Frequently asked questions

What type of essay is "Urban Overpopulation: Addressing Challenges and Developing Effective Solutions"?+

Problem and solution. Name one or two specific problems, not a general complaint.

How many words should an IELTS Writing Task 2 essay be?+

At least 250 words, in about 40 minutes. This sample is 261 words, written to fit that time with five minutes left to check grammar.

How is IELTS Writing Task 2 scored?+

On four criteria: task response, coherence and cohesion, vocabulary, and grammatical range and accuracy. Task 2 counts for twice as much as Task 1 in your Writing band.

What is the difference between a Band 6 and a Band 8 answer here?+

This essay achieves Band 8 by directly answering both parts of the prompt with nuanced solutions and specific examples, maintaining a sophisticated academic tone throughout. A Band 6 response typically fails to provide concrete solutions, often relying on vague suggestions like 'the government should help' without explaining how or why.

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