General Election 2010: Different views

The following three map show different ways of mapping the British election results in comparison. The left map uses a traditional projection (using the British National Grid), which represents the geographical area and thus overemphasises the vote of rural areas (making blue much more dominant than the real results are). The map in the middle uses hexagons to represent the constituencies, so that this map distorts land area in favor of a representation of seats in the British Parliament. This kind of visualisation has recently become very popular in the media and is now a common feature on most online election maps (like the BBC one). The right map shows the election results on the gridded population cartogram, which has been shown in more detail on this website before. Here the projection puts the population distribution in focus, so that this reflects best how many people are represented by a certain party. The overall picture is more similar to the constituency-based map than the land area map, however, is still shows some differences as constituencies are not exactly the same population size (for administrative reasons, but not least also because not all people in an area are entitled to vote). Each of the maps is useful for itself depending on what you want to know about the election outcome, as all three are telling a very different story of it.

Mapping the General Election 2010 in Great Britain(click for larger view)

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