Advantages and disadvantages of pie charts

A pie chart or circle chart is a circular statistical chart graph, which is divided into slices to illustrate numerical proportions. While it is named for its resemblances to a pie which have been sliced, there is a variation on the way it can be presented.

Advantages of pie chart:

  • display relative proportions of multiple classes of data.
  • require minimum addition explanations
  • summarize a large data set into visual form.
  • pie charts are easily understood due to its widespread use in business and media
  • pie charts permit a visual check of the reasonableness or accuracy of the calculation.
  • pie charts are visually simpler than other types of graphs.
  • size of the circle can be made proportional to the quantity it represents.

disadvantages of pie chart:

  • it does not easily reveal exact values. Values are expressed in terms of percentages or ratio therefore it is not easy to know the exact value represented
  • the pie chart does not easily show changes over time
  • pie charts fail to reveal key assumptions, causes, effects, or patterns
  • pie charts can easily be manipulated to yield false impressions


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