IELTS Reading: Matching Information Questions – Step-by-Step Guide + Practice
August 28, 2025
IELTS Writing Task 1: Bar Graphs – Structure, Vocabulary, and Sample Answers
August 30, 2025Line graphs are a common question type in IELTS Writing Task 1, testing your ability to describe trends, compare data, and summarize information. Achieving a high band requires not only vocabulary but also correct verb tense usage and an academic language style. This guide provides detailed strategies, advanced vocabulary, and sample answers.
Understanding Line Graphs in IELTS Writing Task 1
Line graphs present data points connected by lines to show changes over time. Common topics include population growth, sales trends, unemployment rates, or temperature changes.
- X-axis: Represents time or categories (years, months, decades).
- Y-axis: Represents quantity, percentage, or measurable data.
- Trends: Identify increases, decreases, fluctuations, and stability.
Tip: High-band answers emphasize general trends rather than describing every single data point.
Step 1: Analyzing the Graph
Before writing:
- Identify overall trends – upward, downward, or fluctuating.
- Highlight extremes – peaks, troughs, or sudden changes.
- Compare categories – which line is highest, lowest, or changing fastest?
High-Band Expressions:
- “A marked upward trend is evident in…”
- “The proportion experienced a gradual yet steady increase…”
- “City A consistently outperformed City B in terms of growth.”
Step 2: Structuring Your Answer
1. Introduction
Paraphrase the question using academic language.
Example:
“The line graph illustrates the changes in internet usage across three age groups from 2000 to 2020.”
2. Overview
Summarize overall trends. Use high-band vocabulary: surge, escalate, peak, plateau, fluctuate.
Example:
“Overall, internet usage increased across all age groups, with the youngest group exhibiting the most pronounced growth.”
3. Detailed Paragraphs
- Describe trends, comparisons, and significant changes.
- Use numbers, percentages, and time references.
Example:
“The 18–25 age group witnessed a dramatic escalation from 40% in 2000 to 95% in 2020, whereas the 26–40 cohort experienced a steadier rise from 35% to 85%.”
Step 3: High-Band Vocabulary & Linking Phrases
Trends: increase, rise, surge, escalate, soar, peak, decrease, decline, drop, plummet, remain stable, plateau, fluctuate.
Intensity Adverbs: sharply, dramatically, steadily, gradually, moderately, significantly, slightly.
Comparisons: exceed, lag behind, remain below, surpass, nearly double, roughly half.
Linking Words: whereas, while, in contrast, during this period, subsequently, by 2020.
Example Sentences:
- “Sales figures escalated sharply in 2015, peaking at 90 units before plateauing for the next three years.”
- “While City A consistently exceeded its counterparts, City C exhibited only a gradual increase.”
Step 4: Language Style & Verb Tense Usage
1. Academic Language Style
High-band Task 1 answers use a formal, objective tone. Avoid: “I think,” “very big,” “a lot.” Instead:
- Use formal verbs: illustrate, depict, delineate, demonstrate, represent.
- Use precise adjectives/adverbs: significant, marginal, gradual, rapid, pronounced.
- Avoid personal opinions – Task 1 is factual description only.
Example:
- Informal: “The number went up a lot in 2010.”
- Academic: “The number of users escalated significantly in 2010.”
2. Verb Tense Usage
Correct tenses depend on time reference:
- Past events: Use past simple or past perfect if referring to completed changes.
- “Internet usage increased steadily between 2000 and 2010.”
- Ongoing trends or present relevance: Use present perfect.
- “Internet usage has risen dramatically over the past two decades.”
- Predictions or projections (if mentioned): Use future tense.
- “Usage is expected to reach 100% by 2030.”
High-Band Tip: Maintain tense consistency within each paragraph. Use past for completed periods and present perfect for ongoing or cumulative trends.
Step 5: Sample High-Band Answer
Question: The line graph shows the percentage of people using public transport in three cities from 2000 to 2020.
Answer:
Introduction:
The line graph delineates the proportion of residents utilizing public transport in City A, City B, and City C over a twenty-year period.
Overview:
Overall, public transport usage increased steadily across all cities, with City A consistently attaining the highest percentages and City C remaining the lowest throughout the period.
Details:
City A experienced a marked escalation from 50% in 2000 to 80% in 2020. City B exhibited a more moderate yet consistent rise, climbing from 40% to 70% and surpassing City C, which increased gradually from 30% to 55%. Notably, City A’s figures surged dramatically between 2010 and 2015, whereas City C maintained a relatively stable progression.
Step 6: Pro Tips for Band 8–9
- Write at least 150 words.
- Focus on trends and general patterns.
- Use high-band vocabulary and formal academic tone.
- Apply correct verb tenses consistently.
- Incorporate linking phrases for clarity and coherence.
- Avoid personal opinions or informal language.
Conclusion:
Mastering IELTS Writing Task 1 line graphs requires not only understanding data but also using formal academic language and appropriate verb tenses. By combining high-band vocabulary, correct tense usage, and precise description, you can achieve top scores in the IELTS Academic exam.
Ultimate High-Band Cheat Sheet: IELTS Writing Task 1 Line Graphs
1. Trend Verbs
Upward Trends
- increase
- rise
- grow
- climb
- escalate
- surge
- soar
- peak
- jump
- skyrocket
Downward Trends
- decrease
- fall
- drop
- decline
- plummet
- tumble
- deteriorate
- slump
- sink
- reduce
Fluctuations / Stability
- fluctuate
- remain stable
- plateau
- stabilize
- maintain a steady level
- vary slightly
- oscillate
2. Adverbs / Phrases for Intensity
- sharply
- dramatically
- significantly
- considerably
- rapidly
- steadily
- gradually
- moderately
- marginally
- slightly
Example:
- “The proportion of students using online platforms surged sharply between 2015 and 2018.”
- “The unemployment rate declined gradually over the decade.”
3. Linking Phrases / Connectors
Comparisons
- higher than
- lower than
- exceed
- surpass
- lag behind
- remain below
- roughly double
- nearly half
Contrast
- in contrast
- whereas
- while
- conversely
- although
- on the other hand
Time / Sequence
- over the period
- during this time
- by 2020
- subsequently
- following this
- initially / later / eventually
Highlighting Extremes
- peaked at
- reached a trough of
- the highest point
- the lowest point
- the most pronounced change
Example:
- “City A peaked at 85% in 2015, whereas City C remained the lowest throughout the period.”
4. Verb Tense Usage Guide
| Situation | Verb Tense | Example |
|---|---|---|
| Completed changes in past period | Past Simple | “Internet usage increased steadily between 2000 and 2010.” |
| Ongoing trend or cumulative change | Present Perfect | “Internet usage has risen dramatically over the last two decades.” |
| Predictions / Future projections | Future Simple | “Usage is expected to reach 100% by 2030.” |
| Past changes before another past event | Past Perfect | “By 2010, the proportion had already doubled compared to 2000.” |
Tip: Keep tenses consistent in each paragraph. Use past for completed periods, present perfect for trends affecting the present, and future only for predictions.
5. High-Band Sample Sentences
- “The percentage of commuters using public transport surged dramatically between 2010 and 2015.”
- “While City A consistently exceeded its counterparts, City B lagged behind until 2018.”
- “The unemployment rate remained stable at around 5% before plummeting sharply in 2020.”
- “Internet adoption has increased steadily over the last decade, peaking at 95% among young adults.”
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Line Graph – Sample Answers
Line Graph: Price Change – Copper, Nickel, Zinc

Band 7 Answer
The provided line graph illustrates how the prices of three metals – Copper, Nickel, and Zinc – changed each month during the year 2014.
In general, we can see that Nickel’s pace of change in its prices changed significantly. On the other hand, Copper and Zinc showed small changes in a similar pattern throughout the year.
In January, the price of Nickel increased significantly by 6% compared to December of the previous year. This upward trend continued, but the pace of increase slowed down. It only rose by 4% in February and a mere 1% in March. This gradual increase persisted until May. However, there was a major shift in June when the price dropped dramatically by 3%, hitting its lowest point on the chart.
In terms of Copper, it experienced the highest change in price in January, rising by 2% compared to the previous month. Its price exhibited minor fluctuations throughout the year, ultimately ending slightly below 2% by December.
Zinc exhibited a pattern that closely resembled the rate of change in Copper’s price throughout the year.
Band 9 Answer
The provided line graph elucidates a comparative analysis of the monthly fluctuation rates in pricing pertaining to three distinct metals – Copper, Nickel, and Zinc, over the temporal span of the year 2014.
Broadly, it is discernible that Nickel exhibited a remarkable alteration in the pace of variation within its pricing dynamics. In contrast, Copper and Zinc manifested modest shifts in a relatively analogous trajectory over the course of the year.
In January, the cost of Nickel exhibited a notable surge of 6% in comparison to the price in December of the preceding year. The upward trend in pricing persisted, albeit at a progressively decelerated pace, registering a 4% escalation in February and a modest 1% uptick in March. This relatively steady rate of increase endured until May, when a significant inflection point occurred. The price trajectory underwent a stark transformation as it encountered a substantial plummet, declining by 3% in June, marking the nadir on the chart.
With regard to Copper, it exhibited the most substantial rate of price alteration in January, displaying a noteworthy increase of 2% when juxtaposed with the preceding month. Its pricing behavior exhibited marginal oscillations across the course of the year, culminating in a slight dip to slightly below 2% by the close of December.
Parallel to Copper’s trajectory, Zinc manifested an analogous trend.
Comparison of Shop Closures and Openings from 2011 to 2018

The line graph compares the number of shops that opened and those that closed over an eight-year period from 2011 to 2018.
Overall, while the number of shop openings fluctuated moderately, shop closures showed more dramatic changes, with a peak in 2013 and significant variation in subsequent years.
In 2011, around 8,500 shops were opened, the highest in the period, but this figure dropped sharply to approximately 4,000 in 2012. Openings then recovered to about 6,000 in 2014 before falling back to roughly 4,000 in 2015. The number remained relatively stable until 2017, before declining slightly to 3,000 by 2018.
Shop closures, by contrast, peaked at just over 7,000 in 2013. After a slight decrease in 2014, closures plunged to a low of around 500 in 2015, before rising sharply to exceed 5,000 in 2016. Data for 2017 and 2018 indicate fluctuations, though the number of closures remained higher than the mid-period low.
Comparison of Ownership of Electrical Appliances and Time Spent Doing Housework

The first line graph compares the proportion of households owning three electrical devices—washing machine, refrigerator, and vacuum cleaner—while the second graph shows the average number of hours spent on domestic work per week, from 1920 to 2019.
Overall, ownership of all three devices increased significantly over the period, while the time spent on domestic chores fell sharply.
In 1920, around 40% of households owned a washing machine, followed by vacuum cleaners at 30%, whereas refrigerators were rare. By 1980, ownership of these devices had risen dramatically, with nearly all households having a refrigerator, and about 90% owning a vacuum cleaner. Washing machine ownership also increased steadily. This trend continued until 2019, when all three devices reached peak ownership.
As households increasingly relied on technology, the hours spent on domestic work decreased considerably. Initially, families spent approximately 50 hours per week on chores, but by 2019, this had dropped to just 10 hours weekly.
Unlock your IELTS success with UpScore IELTS!
Whether you prefer the flexibility of our engaging online classes or the interactive experience of our in-person sessions, UpScore offers expert-led training tailored to boost your band score. With personalized feedback, proven strategies, and comprehensive practice materials, we help you master every section of the IELTS exam, including writing tasks like the one below. Enroll today at upscoreielts.com and take the first step toward achieving your dream score!




