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IELTS Writing Academic Task 1 gives you a graph, chart, table, process diagram or map and asks you to select and report its main features in at least 150 words, in about 20 minutes. You describe what the visual shows: you don’t give opinions or explain causes.
This complete guide covers how Task 1 is marked, a structure that works for every kind of visual, the vocabulary you need, and six annotated sample answers: a bar chart, a line graph, pie charts, a process, a map, and a General Training letter for comparison. The samples use fictional data written for practice, and they’re not official IELTS answers.
- What Is IELTS Writing Academic Task 1?
- How IELTS Writing Academic Task 1 Is Marked
- A Task 1 Structure That Works for Every Visual
- Essential Task 1 Language and Vocabulary
- Sample Answer: Bar Chart
- Sample Answer: Line Graph
- Sample Answer: Pie Chart
- Sample Answer: Process Diagram
- Sample Answer: Map
- Sample Answer: General Training Letter
- Common IELTS Writing Academic Task 1 Mistakes to Avoid
- Frequently Asked Questions
You get a graph, chart, table, process diagram or map and report its main features in at least 150 words, in about 20 minutes, without opinions or causes. Four paragraphs work for every visual: an introduction, an overview of the main trends (Band 7 needs one) and two detail paragraphs. Task 1 is about a third of your Writing band.
What Is IELTS Writing Academic Task 1?
You’re given a visual and asked to describe it, clearly and accurately, in at least 150 words. You have about 20 minutes. See the official Academic Writing format.
| Visual | What you describe | What matters most |
|---|---|---|
| Bar chart | Categories compared at one or more points in time | The highest, the lowest and the notable comparisons |
| Line graph | Changes over time for one or more things | Trends: rising, falling, fluctuating, stable |
| Pie chart | Shares of a whole | The largest and smallest segments, and grouping similar ones |
| Table | Figures in rows and columns | Choosing and summarising the most significant figures |
| Process diagram | The stages of a natural or man-made process | Every stage in order, mostly in the passive |
| Map | Changes to a place over time, or two places compared | What changed and what stayed the same |
The six kinds of visual you can get
Task 1 is worth about a third of your Writing band, and Task 2 about two thirds. A weak Task 1 still pulls your Writing band down, so it deserves its 20 minutes, but no more. Write at least 150 words: words copied from the task don’t count towards that minimum, and a very short answer gives the examiner too little to reward. There’s no upper limit, but extra words take time from Task 2.
How IELTS Writing Academic Task 1 Is Marked
Task 1 is marked on four equally weighted criteria. The table is a simplified summary; the official Writing band descriptors have the full wording.
| Criterion | What the examiner checks | A typical Band 5 problem | A Band 7 answer |
|---|---|---|---|
| Task Achievement | Are the key features covered, with an overview? | Describes the data mechanically, with no clear overview | A clear overview of the main trends, with key features selected and highlighted |
| Coherence and Cohesion | Is it logically organised, and does it flow? | Ideas listed with no logical order or linking | Clear paragraphs, with linking words used accurately and naturally |
| Lexical Resource | Is the vocabulary accurate, varied and appropriate? | Repetitive words and errors in word choice | A range of data-description vocabulary, and the task’s language paraphrased |
| Grammatical Range and Accuracy | Are the sentences varied and mostly correct? | Limited structures and frequent errors | A mix of simple and complex sentences, with occasional errors only |
A simplified guide to what separates Band 5 from Band 7.
A clear overview is the single feature that most often separates stronger answers: in the public descriptors, a response without one is described at Band 5, while Band 7 needs a clear overview of the main trends, differences or stages.
A Task 1 Structure That Works for Every Visual
An introduction, an overview and two detail paragraphs fit almost any Task 1 visual. It’s a practice structure, not an IELTS rule: some writers put the overview at the end, and that’s fine, as long as it’s there and it’s clear.
“The graph shows data about energy consumption in five countries. The USA used 300 units. China used 250 units. India used 180 units…”
“Overall, the USA consumed the most energy of all five countries throughout the period, while India consistently recorded the lowest figures.”
Essential Task 1 Language and Vocabulary
Describing Trends
| Trend | Verbs | Nouns | Adverbs and adjectives |
|---|---|---|---|
| Sharp increase | surged, soared, jumped, rocketed | a surge, a sharp rise | dramatically, sharply, steeply |
| Gradual increase | rose, climbed, grew, increased | a gradual rise, an increase | steadily, gradually, moderately |
| Sharp decrease | plummeted, fell sharply, dropped | a sharp fall, a dramatic decline | dramatically, significantly |
| Gradual decrease | declined, decreased, fell, dipped | a decline, a decrease, a fall | gradually, slightly, marginally |
| No change | remained stable, stayed constant, levelled off | stability, a plateau | relatively, approximately |
| Fluctuation | fluctuated, varied, oscillated | a fluctuation, variation | considerably, widely |
For line graphs and bar charts over time.
Making Comparisons
- Highest: the largest proportion, the greatest amount, accounted for the most
- Lowest: the smallest share, the least, the lowest figure
- Similar: approximately the same as, comparable to, roughly equal to
- Different: significantly higher than, considerably more than, nearly twice as much as
- Fractions: just over half, approximately a third, nearly a quarter, less than a fifth
Introducing Data Points
- A time: In 2010, / By 2020, / Between 2005 and 2015,
- A peak: reached a peak of / hit a high of / peaked at
- A low: fell to a low of / dropped to its lowest point of
- Approximate figures: approximately, roughly, around, just under, just over
Sample Answer: Bar Chart
Reviewing lecture notes: 78% | Practising past papers: 65% | Group study: 41% | Online tutorials: 33% | Visiting the library: 19%
The bar chart illustrates the proportion of students at one university who employed five distinct revision methods in preparation for their examinations in 2022.
Overall, reviewing lecture notes was by far the most widely used study method, while visiting the library was the least popular approach. The two most common methods both involved individual rather than collaborative study.
Reviewing lecture notes was used by the largest share of students, at 78%, followed by practising past papers, which was employed by 65% of respondents. These two methods were notably more popular than the remaining three options, each of which was used by fewer than half of the student population.
Group study was the third most common method, with 41% of students reporting its use. Online tutorials were used by approximately a third of students (33%), while visiting the library attracted the smallest proportion at just 19% — less than a quarter of the figure recorded for lecture note review.
- Clear overview in Paragraph 2 identifies the most and least popular methods and makes a broader observation about individual vs collaborative study.
- Introduction paraphrases the task without copying — “illustrates the proportion” instead of “shows the percentage”; “distinct revision methods” instead of “different methods to study.”
- Data is grouped logically — top two methods together, bottom three together — rather than listed one by one.
- Comparison language used accurately: “by far the most,” “notably more popular,” “less than a quarter of the figure.”
- Word count: about 157 words, just above the 150 minimum without padding.
Sample Answer: Line Graph
Japan: rose from 5M (2000) to 32M (2019), fell sharply to 12M (2020)
Australia: rose gradually from 5M (2000) to 9M (2015), then remained stable at ~9M to 2020
Mexico: declined from 20M (2000) to 15M (2010), then recovered to 22M (2019), fell to 18M (2020)
The line graph depicts changes in the number of international tourist arrivals in Japan, Australia, and Mexico over a twenty-year period from 2000 to 2020.
Overall, Japan experienced the most dramatic growth of the three destinations, rising from a position comparable to Australia to become by far the most visited country by 2019. Japan and Mexico both recorded a fall in 2020, while Australia’s figures remained broadly stable.
In 2000, Japan and Australia both attracted approximately 5 million international visitors, while Mexico received significantly more at around 20 million. Japan’s figures rose steeply over the following two decades, reaching a peak of 32 million in 2019 before falling sharply to 12 million in 2020. Australia’s growth was considerably more modest — visitor numbers climbed gradually to around 9 million by 2015 and then levelled off, remaining broadly stable until 2020.
Mexico followed a different trajectory. Arrivals declined from 20 million in 2000 to a low of approximately 15 million in 2010, before recovering steadily to 22 million by 2019, its highest figure of the period. However, this was followed by a fall to 18 million in 2020.
- Overview makes a comparative observation — Japan’s dramatic growth — and notes that two of the three countries fell in 2020, without speculating beyond what the data shows. The overview reports the figures’ direction and comparison without adding a cause.
- Paragraph 3 groups Japan and Australia together (both started at 5M) — one possible way to group related information.
- Paragraph 4 handles Mexico separately because its trend is distinct — falling then rising, unlike the others.
- Trend vocabulary is varied: “rose steeply,” “levelled off,” “declined,” “recovering steadily,” “fell sharply.”
- Specific data is used selectively — not every data point, only the significant ones.
Sample Answer: Pie Chart
2020: Heating: 38% | Appliances: 32% | Water heating: 14% | Lighting: 9% | Cooking: 7%
The two pie charts compare the distribution of household energy consumption across five categories in a European country in 1990 and 2020.
Overall, heating remained the dominant use of household energy in both years, though its share declined considerably over the period. The most notable change was the significant growth in energy used by household appliances, which nearly doubled its proportion between 1990 and 2020.
In 1990, heating accounted for over half of all household energy at 52%, making it by far the largest category. By 2020, this share had fallen to 38% — a reduction of 14 percentage points — though it remained the single largest use. In contrast, the proportion consumed by appliances rose markedly from 18% to 32%, so it remained the second-largest category but came much closer to heating.
The remaining three categories showed relatively little change. Water heating decreased marginally from 15% to 14%, lighting fell slightly from 10% to 9%, and cooking increased modestly from 5% to 7%. Together, these three categories accounted for 30% of energy use in 1990 and 30% in 2020 — virtually unchanged over the thirty-year period.
- Overview identifies the dominant category (heating) and the most significant change (appliances nearly doubled) — two clear main features without any numbers.
- The final paragraph uses a smart grouping technique — combining the three minor categories and noting their combined share was identical in both years. This shows analytical thinking, not just data listing.
- Change language is precise: “declined considerably,” “rose markedly,” “fell slightly,” “increased modestly” — all different, all accurate.
- Specific percentage point difference calculated: “a reduction of 14 percentage points” — this is one way to express a calculated comparison clearly.
Sample Answer: Process Diagram
The diagram illustrates the stages involved in collecting and purifying rainwater to make it safe for human consumption.
Overall, the process consists of eight distinct stages, beginning with the collection of rainwater and ending with its distribution to homes. The treatment process moves progressively from the removal of physical particles to chemical purification.
The process begins when rainfall is collected and stored in a reservoir. The water is then passed through a screening stage, during which large particles and debris are removed. It is subsequently directed into a sedimentation tank, where heavier particles are allowed to settle at the bottom over time.
Following sedimentation, the water undergoes filtration through layers of sand and gravel, which remove finer impurities that the earlier stages did not capture. Chemical treatment is then applied — specifically, chlorination — to eliminate harmful bacteria and make the water safe to drink. Finally, the treated water is transferred to a storage tank, from which it is distributed to residential properties through the water supply network.
- Process diagrams require passive voice throughout — “is collected,” “are removed,” “is applied,” “is distributed.” This response uses passive voice correctly and consistently.
- Sequencing language is varied: “begins when,” “is then passed,” “subsequently directed,” “following sedimentation,” “finally” — not just “first, second, third.”
- The overview notes both the number of stages (8) and the overall direction of the process (physical to chemical treatment) — two meaningful observations.
- Each stage is described in terms of what happens and why — “where heavier particles are allowed to settle” gives purpose, not just sequence.
Sample Answer: Map
The two maps compare the layout of a town centre as it appeared in 1990 with its configuration three decades later in 2020.
Overall, the town centre underwent considerable development over the period, with several significant structures replaced or expanded. The most substantial changes involved retail and transport facilities, while the library remained the only major feature to survive unchanged.
The most prominent change was the demolition of the old market, which was replaced by a large shopping centre on the same site. The car park adjacent to it was also significantly expanded and converted from a surface-level facility into a multi-storey structure. Along the main street, a new pedestrian zone was created.
The town’s park was reduced in size, with housing constructed on its eastern section. The bus station, which was previously located in the town centre, was relocated to the northern edge of the town. The library, situated to the west, remained in its original position and appeared to be unaltered.
- Map tasks require location language — “adjacent to,” “on the same site,” “to the west,” “northern edge” — used accurately throughout.
- The example describes the supplied changes without assigning an unsupported reason for them.
- The overview identifies both change (considerable development) and continuity (library unchanged) — a complete overview covers both.
- Changes are described using past passive: “was replaced,” “was converted,” “was reduced,” “was relocated” — correct tense and voice for map tasks comparing two time periods.
Sample Answer: General Training Letter
In General Training, Task 1 isn’t a data description: it’s a letter of at least 150 words, written to a situation you’re given. It can be formal, semi-formal or informal, depending on who you’re writing to. For every letter type, see our General Training letter-writing guide.
• Describe the problems you experienced
• Explain how these problems affected your stay
• Say what you would like the hotel to do
Dear Sir or Madam,
I am writing to bring to your attention several issues I experienced during my recent stay at your hotel from 14 to 16 November. As I was visiting for an important business meeting, I had expected a standard of service commensurate with the hotel’s stated four-star rating. Unfortunately, this was not my experience.
On arrival, I discovered that my room had not been prepared despite my confirmed booking. I waited over an hour in the lobby before being assigned an alternative room. Furthermore, the air conditioning unit in that room was faulty and could not be adjusted, making sleep extremely difficult. When I contacted reception to report the problem, no action was taken.
These issues caused considerable disruption to my schedule, as the lack of sleep affected my performance in the following day’s meeting. I would therefore request a partial refund for the inconvenience caused. I would also appreciate written confirmation that the maintenance issues have been addressed, as I had planned to return to your hotel on future business trips.
I look forward to your response.
Yours faithfully,
[Your Name]
- All three bullet points are addressed — problems (room not ready, faulty AC), impact (disrupted sleep, poor meeting performance), and request (partial refund + written confirmation).
- Formal register maintained throughout — “bring to your attention,” “commensurate with,” “considerable disruption” — no casual language.
- “Yours faithfully” is correct because the letter opens with “Dear Sir or Madam” — not a named person.
- The final paragraph adds a future-oriented detail (“planned to return”) that makes the complaint feel constructive rather than simply negative — a sophisticated touch.
- Word count: about 185 words, comfortably above the minimum without padding.
Common IELTS Writing Academic Task 1 Mistakes to Avoid
The overview is the paragraph that shows you’ve understood the visual as a whole. Without a clear one, it’s very hard to reach the higher Task Achievement bands. Put it straight after the introduction, where the examiner will find it.
The task says “select and report the main features”. That means choosing the most significant figures (the highest, the lowest, the biggest change, the key comparisons), not listing every number. Listing everything mechanically costs you marks for Task Achievement and Coherence.
Task 1 is a description, not an argument. Don’t write “This shows that the government failed to invest in education” or “People clearly prefer online shopping because it is more convenient.” Describe what the visual shows, and only give a reason if the task itself provides one. See IELTS’s guidance on Task 1.
If the task says “The bar chart below shows the percentage of students…”, don’t open with the same words: copied words don’t count towards the 150-word minimum. Paraphrase naturally instead, for example “The bar chart illustrates the proportion of students…”.
Write at least 150 words. A very short answer gives too little evidence for the higher bands, and a very long one takes time from Task 2, which counts twice as much. Around 160–190 relevant words is plenty.
Frequently Asked Questions
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