The supposed benefit of cartogram-based maps over standard choropleth maps is that you’re able to understand scale or significance better. But can you really? Take a look at that proportional ...

Gerth's original note said the display "has the usual problems of choropleth maps (no weighting for population ... like population resulting in a "cartogram", but this is a non-trivial calculation ...

The choropleth conundrum In 2012 ... We have previously warned against overusing maps, and this is a case where no map or cartogram can beat the precision of the humble stacked bar chart ...