Use area charts to show how data changes over time, to compare multiple data series, or show how parts of a whole relate to each other. InstaCharts can help you craft the perfect area chart.
Use pie charts to show categorical data, whose values can be added together to form a whole amount.
Use scatter plot charts when you want to visualize the relationship between two numeric values
Use line charts to show trends over time, to compare multiple trends and to show relationships between variables.
Use bar charts for frequency distributions, relative frequencies, comparisons between groups and changes over time.