InfoVis of the week – 7

Birgit

As we changed our dataset – more on that in a next post – I started looking at visualisations concerning population growth. I came across this Urban World Visualisation made by Periscopic for Unicef in 2012.

urban world infographic

It is based on their report ‘The State of the World’s Children’ from the same year. Periscopic used the global population data from the report to map the growth of over 100 countries since 1950. They also projected the population growth to 2050 and added the percentage of urban population for each country’s total population. The circles are scaled to the urban population size – so the bigger the circle, the higher the real number of urban population. Percentages are shown by means of the colour of the circles.

In this visualisation, I like the fact that it is not a map, although the circles are organised according to the relative geographic position of each country. In that way, you can quickly look up a country if you roughly know where it is situated, as you see a slight form of a map in it.

The nice thing with the scaling is that you can find some interesting insights: you can see e.g. that Mexico has a very high urban population compared to the total population, and compared to neighbour USA. Or that Belgium is 97% urban.

Sources:

http://www.periscopic.com/content/working-with-unicef-to-visualize-the-state-of-the-worlds-children/

http://www.unicef.org/sowc2012/

http://www.unicef.org/sowc2012/urbanmap/

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