Diagram label completion

July 12, 2026
Diagram label completion is an IELTS task where test-takers fill in missing words or phrases on a diagram using information from a listening or reading passage.
IELTS Basics

Diagram label completion is a type of question found in the IELTS Listening and Reading sections. In this task, candidates are presented with a diagram—such as a map, process, or illustration—with several labels missing. Test-takers must fill in these gaps with words or phrases from the audio recording or reading text. The number of words allowed for each gap is specified in the instructions, and spelling must be accurate for answers to be marked correct.

Why diagram label completion is important

  • Tests understanding of visual information: This task assesses a candidate’s ability to interpret and transfer information between written or spoken text and visual formats.
  • Requires careful attention: Candidates must listen or read for specific details and match them accurately to parts of the diagram, which helps demonstrate precise comprehension skills.
  • Impacts band score: Correctly completing diagram labels contributes to the overall raw score in the Listening or Reading section, which is then converted to the IELTS band score. Incorrect spelling or exceeding the word limit can result in lost marks.
  • Example: In Listening Section 2, a candidate may hear a description of a museum layout and must label rooms or features on a map. Only information from the recording should be used, and answers must fit the word limit stated in the instructions.

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Diagram label completion | IELTS Actual Tests