The IELTS Line Chart is one of the most common questions in Writing Task 1. You will be asked to describe how data changes over time using clear comparisons, trends, and key features. Understanding structure and vocabulary is the key to scoring Band 7+.
What is a Line Chart in IELTS?
A line chart (or line graph) shows changes over a period—months, years, or decades.
You must summarize the main trends, comparisons, and significant changes clearly.
Ideal Structure for Line Chart IELTS Task 1
Introduction
Rewrite the question in your own words.
Overview
Highlight main trends (overall increase, decrease, fluctuations).
Body Paragraph 1
Describe the first half of the chart (highest, lowest points).
Body Paragraph 2
Describe the remaining data and comparisons.
Sample Band 8 Line Chart Answer
Question:
The line chart shows the number of international students in Australia from 2010 to 2020.
Band 8 Sample Answer:
The line chart illustrates the number of international students studying in Australia between 2010 and 2020.
Overall, student enrollment increased significantly throughout the decade, with the most rapid growth occurring after 2015.
In 2010, around 200,000 students studied in Australia. This figure rose gradually to 250,000 in 2013. After a short period of stability, the number increased sharply, reaching 400,000 by 2017.
From 2017 onwards, the upward trend continued, and international student enrollment peaked at nearly 500,000 in 2020, representing the highest point in the entire period.
Vocabulary for Line Chart IELTS
Trend Words
- Increase: rise, climb, grow, surge
- Decrease: fall, drop, decline, plummet
- No change: remain stable, stay constant
- Up & down: fluctuate, vary
Speed Words
- Gradually
- Sharply
- Slightly
- Rapidly
Comparisons
- Higher than
- Lower than
- Similar to
- Twice as much
Tips to Score Band 7+
✔ Write an overview (critical!)
✔ Group similar trends together
✔ Use accurate numbers
✔ Avoid giving reasons — Task 1 does NOT require explanations
✔ Use varied vocabulary
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FAQ About Line Chart IELTS
1. How many paragraphs do I need?
4: Introduction, Overview, Body 1, Body 2.
2. How many words should I write?
At least 150 words, ideal range 160–180 words.
3. Should I include all numbers?
No — only key data points are enough.
4. Can I use the future tense?
Only if the chart includes future years.
5. Do I need a conclusion?
No — overview replaces the conclusion.
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