Writing Task 1: Line Graph: IELTS Academic 9990 (IELTS Academic)
Syllabus W.task1 · Strand 3 Writing
- Questions
- 10
- Total marks
- 40
- Tier mix
- 10 Core
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A Task 1 line-graph question shows one or more variables changing over time and asks for a factual, objective report of at least 150 words in about 20 minutes. No opinion, prediction beyond the data, or explanation of causes not shown in the graph. A strong response opens with a one-sentence paraphrase of the graph’s title, follows with a short overview highlighting the two or three most striking overall trends (which line rose or fell most, any point where lines crossed, the general shape of change), and only then moves into supporting detail with specific figures.
Because examiners specifically reward the overview as a distinct, identifiable paragraph, candidates should resist the temptation to dive straight into data description without first stepping back to summarise the big picture. Precise, varied language for describing trends (a steady increase, a sharp decline, a plateau, a fluctuation) and accurate use of comparative structures when contrasting two lines are what separate a strong band score from a merely accurate one.
Question 1
The line graph below shows average monthly temperatures in two cities, Port Elyria and Calder Bay, over the course of a typical year. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Month | Port Elyria (°C) | Calder Bay (°C) |
|---|---|---|
| Jan | 8 | -2 |
| Feb | 9 | -1 |
| Mar | 12 | 4 |
| Apr | 15 | 10 |
| May | 19 | 16 |
| Jun | 23 | 21 |
| Jul | 26 | 24 |
| Aug | 25 | 23 |
| Sep | 21 | 17 |
| Oct | 16 | 10 |
| Nov | 11 | 3 |
| Dec | 8 | -1 |
The graph plots average temperature in degrees Celsius on the vertical axis against the twelve months of the year on the horizontal axis, with one line for each city; both lines rise to a single peak in July and fall to their lowest point in midwinter, but the Calder Bay line sits noticeably below the Port Elyria line for most of the year and dips below zero in three winter months.
Question 2
The line graph below shows the percentage of total retail sales made through online and in-store channels in the country of Verrentia between 2015 and 2025. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Online sales (% of total retail) | In-store sales (% of total retail) |
|---|---|---|
| 2015 | 18 | 82 |
| 2017 | 24 | 76 |
| 2019 | 33 | 67 |
| 2021 | 47 | 53 |
| 2023 | 58 | 42 |
| 2025 | 66 | 34 |
The graph plots percentage share of total retail sales value on the vertical axis against six two-yearly points from 2015 to 2025 on the horizontal axis, with one line for online sales and one for in-store sales; the in-store line starts far above the online line but the two lines cross somewhere between 2021 and 2023, after which the online line remains higher for the rest of the period shown.
Question 3
The line graph below shows the population of the town of Northgate, divided into three age groups, between 1990 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Under 18 (thousands) | 18-64 (thousands) | 65 and over (thousands) |
|---|---|---|---|
| 1990 | 22 | 58 | 12 |
| 2000 | 20 | 63 | 15 |
| 2010 | 19 | 65 | 21 |
| 2020 | 18 | 64 | 29 |
The graph plots population in thousands on the vertical axis against four time points a decade apart, from 1990 to 2020, on the horizontal axis, with a separate line for each of the three age groups; the under-18 line falls gently and stays lowest for most of the period, the 18-64 line rises then flattens out, and the 65-and-over line climbs steadily throughout, overtaking the under-18 line by the final time point shown.
Question 4
The line graph below shows the number of domestic and international visitors to the Aldemere Maritime Museum between 2015 and 2023. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Domestic visitors (thousands) | International visitors (thousands) |
|---|---|---|
| 2015 | 240 | 95 |
| 2017 | 255 | 110 |
| 2019 | 270 | 130 |
| 2021 | 230 | 20 |
| 2023 | 290 | 150 |
The graph plots number of visitors in thousands on the vertical axis against five years from 2015 to 2023 on the horizontal axis, with separate lines for domestic and international visitors; both lines rise gradually until 2019, then domestic visitors dip only slightly in 2021 while international visitors collapse to almost nothing in the same year, before both lines recover sharply and reach their highest points of the whole period in 2023.
Question 5
The line graph below shows the percentage share of total energy consumption in the country of Kestraven supplied by four different fuel types between 1990 and 2020. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Coal (%) | Natural gas (%) | Nuclear (%) | Renewables (%) |
|---|---|---|---|---|
| 1990 | 45 | 25 | 20 | 10 |
| 2000 | 38 | 30 | 18 | 14 |
| 2010 | 28 | 32 | 15 | 25 |
| 2020 | 12 | 30 | 10 | 48 |
The graph plots percentage share of total energy consumption on the vertical axis against four time points a decade apart, from 1990 to 2020, on the horizontal axis, with a separate line for each of the four fuel types; the coal line starts highest and falls continuously to become the lowest by 2020, the renewables line starts lowest and rises continuously to become the highest by 2020, crossing several of the other lines along the way, while natural gas rises then falls back only slightly and nuclear declines gently throughout.
Question 6
The line graph below shows mobile phone subscriptions and internet subscriptions per 100 people in the country of Verdalia between 2000 and 2020.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Mobile phone subscriptions (per 100 people) | Internet subscriptions (per 100 people) |
|---|---|---|
| 2000 | 20 | 5 |
| 2005 | 65 | 25 |
| 2010 | 95 | 45 |
| 2015 | 110 | 70 |
| 2020 | 118 | 88 |
The graph plots two lines at five-year intervals from 2000 to 2020: mobile phone subscriptions, which rise steeply before levelling off in the final decade, and internet subscriptions, which climb at a steadier, more constant rate throughout the period and remain below the mobile phone line at every point shown.
Question 7
The line graph below shows the unemployment rate, as a percentage of the total workforce, in three countries (Larsenia, Kordova and Mestria) between 2008 and 2020.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Larsenia (%) | Kordova (%) | Mestria (%) |
|---|---|---|---|
| 2008 | 5.2 | 8.0 | 4.5 |
| 2011 | 9.8 | 11.5 | 5.0 |
| 2014 | 7.5 | 9.0 | 6.2 |
| 2017 | 4.9 | 6.5 | 7.0 |
| 2020 | 8.6 | 5.8 | 8.4 |
The graph shows three lines tracking unemployment from 2008 to 2020: Larsenia's rate spikes sharply around 2011 before falling and then rising again by 2020; Kordova's rate starts highest of the three, rises to a peak in 2011, then falls for the rest of the period, ending the lowest of the three; and Mestria's rate starts lowest but climbs steadily throughout, overtaking Kordova by 2017 and finishing 2020 just below Larsenia's rate, which ends the period as the highest of the three.
Question 8
The line graph below shows sales of books by format (print, e-book and audiobook) in the Calderwood publishing market between 2005 and 2020.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Print books (millions of units) | E-books (millions of units) | Audiobooks (millions of units) |
|---|---|---|---|
| 2005 | 320 | 2 | 15 |
| 2010 | 290 | 45 | 22 |
| 2015 | 250 | 95 | 40 |
| 2020 | 230 | 80 | 75 |
The graph tracks three lines from 2005 to 2020: print book sales decline gradually and continuously throughout; e-book sales rise sharply to a peak in 2015 before falling back slightly by 2020; and audiobook sales grow slowly at first, then rise steeply in the final five years to approach the e-book total.
Question 9
The line graph below shows average monthly household electricity consumption, in kilowatt-hours, in two cities, Rivenmouth and Sundale, over the course of one year.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Month | Rivenmouth (kWh) | Sundale (kWh) |
|---|---|---|
| Jan | 420 | 260 |
| Feb | 400 | 250 |
| Mar | 350 | 260 |
| Apr | 300 | 300 |
| May | 260 | 350 |
| Jun | 230 | 420 |
| Jul | 220 | 480 |
| Aug | 225 | 470 |
| Sep | 250 | 400 |
| Oct | 300 | 320 |
| Nov | 370 | 280 |
| Dec | 410 | 270 |
The graph plots two lines across the twelve months of the year: Rivenmouth's consumption is highest in the winter months and lowest in mid-summer, while Sundale's consumption follows the opposite seasonal pattern, peaking in summer and falling to its lowest level in late winter; the two lines cross twice, once in spring and again in autumn.
Question 10
The line graph below shows international tourist arrivals, in thousands, to three regions of the country of Palmara (the Northern Coast, the Southern Coast and the Capital City) between 1995 and 2020.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.
| Year | Northern Coast (thousands) | Southern Coast (thousands) | Capital City (thousands) |
|---|---|---|---|
| 1995 | 150 | 90 | 200 |
| 2000 | 220 | 130 | 260 |
| 2005 | 310 | 200 | 300 |
| 2010 | 380 | 310 | 340 |
| 2015 | 340 | 420 | 380 |
| 2020 | 300 | 480 | 300 |
The graph tracks three lines from 1995 to 2020: the Capital City leads at the start and rises steadily to a peak in 2015 before falling back sharply; the Northern Coast rises to an earlier peak in 2010 and then declines; and the Southern Coast starts lowest of the three but rises continuously across the whole period, overtaking both other regions to become the most visited by 2020.