Visualization types

Bubble Chart

A bubble chart is a variation of a scatter plot that displays data points as bubbles.

A bubble chart consists of a series of values that are plotted on an x-axis and y-axis, with each axis representing a variable and each value represented as a dot. The third variable value is then used to proportionally scale each bubble or dot. Bubble charts often include an independent variable, such as years of education, a dependent variable, such as annual income, and a proportional variable, such as population. When the dots are plotted against these two axes, bubble charts communicate the strength, type, and proportion of the relationship that exists between these variables.


In addition to the guidance provided in this section, relevant guidance can also be found in the Agency Logo, Axes, Colors, Grids, Labels, Legends, Source, Titles, Typography sections.






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