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IELTS Writing Task 1 Academic on World Population

IELTS Report on world population

You should spend about 20 minutes on this task.

The graphs below provide information on global population figures and figures for urban populations in different world regions.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Write at least 150 words.

IELTS Report on world population past, present and future
IELTS Report on world population in developed and developing world

IELTS Report on world population


The given line graph illustrates the change in world population in billions in the past from 1800 to the future till 2100. Also, the bar chart presents the current and future trend for the urban population in the developed and underdeveloped parts of the world for 25 years.


Overall, the total number of people in the world grew slowly for 150 years and then grew rapidly. The growth may continue till 2050 and may fall at an almost equal rate by the end of the period. A significant reason for the current and projected growth in population is an increase in the developing countries’ residents rather than developed ones.  

Body Paragraph 1 on the line graph

The world population grew steadily for a century and a half, from 1 billion in 1800 to about 2.5 billion in 1950.  However, after 1950, it increased dramatically and is projected to peak above 8 billion just before 2050. After attaining the pinnacle, the populous is projected to drop almost at the same rate to about 6 billion by 2100.

Body Paragraph 2 on the bar chart

The behaviour of the line graph can easily be explained with the help of the bar graph. The number of people in developed regions remained at 1.3 billion in the past and is said to stay the same until 2040. In contrast, the developing countries’ population started with 2.2 billion and rose gradually to about 2.8 billion in the last year. Moreover, the data estimates it will attain its peak value of 4 billion by the end of 2040.

Review of the IELTS Report 1 on world population

  1. The report follows all the guidelines set up by the IELTS Writing Task 1. It has a required number of words and presents an apt introduction, overview and body paragraphs.
  2. The introduction smartly avoids repetition of words and yet narrates what to expect in the report.
  3. The overview paragraph summarises the essence of the report. It captures the primary trend in both charts. 
  4. Bothe body paragraphs compare the main features of the graphs wherever appropriate. Also, the two paragraphs are connected well by stating that the second chart could explain the reason for the behaviour of the first one.
  5. Linking words are aptly used wherever necessary to ensure that the IELTS examiner finds it easy to read the report.
  6. Wherever possible, the repetition of words is avoided; however, the author could have done a better job at using synonyms.
  7. The sentences use appropriate structures to depict the situation in the past and future projections. Also, it uses a variety of sentences without visible errors. 
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