This dataset introduces the Dorling cartogram visualization, a type of map-like chart that belongs to a class of visualizations known as non-contiguous cartograms. It explains what the related chart types are and what kinds of data it can be used to visualize. It also discusses the strengths and weaknesses of this chart type. The dataset example is a subset of the Eurostat table Persons employed by NACE Rev. 2.tin00151 for 2017 detailing the number of persons employed in admin and support in European countries. The dataset file is accompanied by a Student Guide and a How-to Guide for R.