If you have a dataset where locations should be compared against each other, this type of map is very powerful. Symbol maps are maps on which data about specific locations (e.g. cities) is represented with geometric shapes (e.g. circles):
Here are three more examples of data which is ideal for symbol map: The number of accidents for a country or region. The number of refugees who registered in different cities. Or, the number of power stations for electric cars.
To produce your first symbol map with Datawrapper, watch the short video tutorial linked below. You are just five minutes away from trying (and publishing) your first symbol map: