Line graphs Line graphs show how data changes over time or space. The x-axis shows time or distance. A line graph could be used to show the changes in a country's employment structure over time.

Diverse chart types are often employed, like line charts, bar graphs, and pie charts. Among the different chart types, line charts stand out for various reasons.

Video Transcript Line graphs Line graphs are used to show continuous changes over time. A line graph might be useful for showing the pattern of change in world population, for example.

William Playfair, data visualisation, bar graph, pie chart, line graph, Scottish engineer, statistical graphics, The Commercial and Political Atlas, The Statistical Breviary, 18th-century innovations ...

A chart is a graphical representation of data represented by symbols such as bar charts, pie charts, line charts, histograms, column charts, area charts, stock charts, funnel charts, etc.