A Chart is a graphical representation of data, such as a pie chart, bar graph, line graph, etc. Charts can make the information interesting, appealing, and easy to read for your audience. A ...

Save guides, add subjects and pick up where you left off with your BBC account. Bar charts show grouped data as rectangular bars with spaces between the bars, e.g. the number of tourists visiting ...

3rd level Presenting data - graphs, charts and diagrams Pie charts Statistical information can be presented in diagrams, graphs and charts. The type you use will largely depend on the sort of data ...

William Playfair, the father of data visualisation, changed the way we understand information. His bar graphs, pie charts, and line graphs remain essential tools today, yet his name is barely known.

Pie charts also do badly when there are lots of categories. For example, this chart from a study on data sources used for COVID data visualisation shows hundreds of categories in one pie.