Table Bar Chart Pie Chart Line Graph To begin with, let’s take a quick look at the main differences and similarities among tables, graphs and charts. While tables present information about different categories mainly in columns and rows, bar charts present the information in two axes: the values are given along one axis and each bar represents what is being measured along the other axis. It is often possible to turn tables into charts, but sometimes the categories are too different to do this. A pie chart is another way of presenting information, but here each segment is a percentage of a whole. Together they represent 100%. Last but not least, line graphs show how data change over time. When approaching the Academic version of Writing Task 1, it’s important that you introduce the visual data by using one of the following phrases or collocations: According to the table/ graph/chart… The table/graph/chart shows… The table/graph/chart...