Population density maps are always good fun. And this one showing US states is no exception. As picked up on Reddit (the original is on Wikipedia), this map shows what each state would look like ...

it is the area on this map with the largest gap between its population ranking and its population density ranking. India and ...

Your donation allows us to keep sending journalists to ... spike maps have made the task much clearer. These maps visualise population density as spikes, with the height of each spike representing ...

A new map reveals that a sudden nuclear attack could incinerate 75% of the US population ... radiation exposure measurements, and population density calculations in different zones.