Since 1975, worldwide obesity has nearly tripled (WHO 2018). What are the reasons for this development? An article of the Canadian Broadcasting Corporation pointed out that it is a “commonly held perception that obesity is a city problem” (CBC 2019). In the same time period, in which we could detect a rise in the obesity rate, the urbanisation rate has increased as well. 55% of the human population is living nowadays in urban areas. By the year 2050, this number will increase to 68% (UN 2018). Of course, this does not necessarily mean, that there is a relationship between the rises of the two rates. Nonetheless, it leads us to the following hypothesis:
Our hypothesis is that the higher the degree of urbanization the higher is the obesity/overweight rate of a country. More and more people are seeking well paid jobs in cities as time progresses. Urbanisation is when people from the countryside move to cities or agglomerations. The ratio of people living in cities increases from year to year.
Our assumption is that countries with a high urbanization rate, also have more obese adults. To show the results, we created a Shiny app.
Obesity is defined with having a BMI of over 30. Food is easier and more abundant available in cities. This includes healthy as well as unhealthy foods, such as fast food.
All datasets used for the map are from the WHO.
We want to visualize the worldwide urbanisation and obesity rate and find out if our assumption of a correlation is correct. Our map is supposed to show the correlation between obesity and urbanization.
The data used was taken from the World Health Organisation (WHO), and for learning to start writing HTML5 W3School was used. General information about the course can be found under the rubric COURSE INFORMATION.
Prevalence of obesity among adults, BMI ≥ 30, crudeEstimates by country
Population living in urban areas in percentage Data by country
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GEO 878 Geovisualisation ECTS 3 Target Groups: Geography Masters students
Hans did his Bachelor in Geography at the Universtiy of Bern. As of May 2019 he is studying at the University of Zurich his Master in Geography with focus on GIS.
Unfortunately we have never met him. He always called in sick whenever he should have been here to support us. Luckly we've got a picture of whim, which captures his essence perfectly.
Marius studied Cultural Anthropology and Geography for his Bachelor in Basel. For his Master he is now doing a specialized Master of Geography in GIScience at the University of Zurich.