100% stacked bar-charts can mislead users into thinking the data values represented by the different bars are the same (as the heights of the bars are 100%). This needs to be made clear on the visualisation.
Benefits & pitfalls: pie chart
Pie charts are often criticised. Comparing the size of pie segments can be difficult, and many visualisation experts suggest that bar-charts should be used instead.
How to create your own
Create your own: 100% stacked bar chart
100% stacked bar charts can be created in a range of standard data applications such as Excel.
Create your own: pie chart
Pie charts can be created in a range of standard data applications such as Excel.
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