A cartogram represents geography diagrammatically. Note above for example that London takes up more space than parts of Wales because it has much denser population
The New York Times didn’t use a cartogram for its EU referendum map, Gregor Aisch explained last week, because they are “too confusing for readers unfamiliar with the geography”.
The Guardian, on the other hand, did use a cartogram. In a series of tweets their visuals editor Xaquin Gonzalez explained why
The cartograms below show the world through the eyes of editors-in-chief, in 2007. Countries swell as they receive more media attention; others shrink as we forget them.