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Which vocabulary can I use to describe trends in my IELTS Writing Task 1 answer?

22 Oct 2026 · Answered by Leeladhar S · 2 min read
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In IELTS Writing Task 1, describe trends with phrases grouped by purpose: increase such as rise sharply, decrease such as decline sharply, variation, stability and plateau. Add comparison phrases for percentages. Task 1 asks you to describe, summarize or explain a graph, table, chart or diagram in your own words.

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Task 1 asks you to describe, summarize or explain a graph, table, chart or diagram in your own words, so you need phrases for each kind of movement. Group your vocabulary by purpose and you will find the right phrase faster.

Trend Vocabulary by Purpose

PurposeExample phrases
IntroductionThe table, graph or chart provides information about...; The chart illustrates...; According to the chart...
Increasea significant increase; a considerable growth; to rise sharply; to show an upward trend
Decreasea sharp fall; a significant drop; to decline sharply; to hit the lowest point
Variationa considerable variation; a slight fluctuation; to vary considerably
Stabilitya period of stability; to remain stable; to remain constant
Plateauto reach a plateau; to level off; to flatten out

Percentages and Comparisons

  • Percentages: a large or small percentage; just under or over a figure; a percentage increase or decrease.
  • Comparisons: to be slightly or significantly higher or lower than...; two, three or four times higher or lower than...
  • Ranking: to remain the highest or lowest; to be closely followed by...

My Advice

Do not memorize a list and force it into every answer. Pick two or three phrases for each movement type, practice using them on sample graphs, and match the phrase to what the data actually shows. Check the official IELTS page for the latest task descriptions.

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