What is the purpose of bubble map?

- Circles, or *bubbles*, represent amounts.

- The larger a bubble, the greater the amount.

- Bubble maps are often used to show demographic information, such as population density or income distribution.

For example, a bubble map of the world might show that Asia has the highest population density, represented by the largest bubble, while Europe has a lower population density, represented by a smaller bubble.

Additionally, bubble maps can be used to show other types of information such as:

* economic data (e.g., GDP per capita)

* environmental data (e.g., air pollution levels)

* political data (e.g., voter turnout rates)

* social data (e.g., crime rates)

They can be used to identify patterns, trends and correlations, and to make comparisons between different areas.