ICC Programming

Analysis for Thematic Mapping

7114.3 - Displaying voter gains and losses: Local government elections of 2011 vs 2016

Friday, July 7
9:10 AM - 9:30 AM
Location: Balcony A

Every five years the South African population goes to polls to elect local government councilors. These elections are fought along political party lines, however it also allows for independents to participate. This paper looks at the change of voter behavior between two subsequent local government elections, namely the 2011 and 2016 local government elections. The percentage voter gains and losses for the top three political parties in South Africa are shown. The ruling ANC suffered its biggest losses since 1994. The DA showed a steady increase in the votes between the two elections and the new kid on the political block, the EFF, showed its biggest gains in the regions of South Africa in the same areas where the ANC showed its largest losses. Three methodologies were used to show these behaviours, namely a cartogram, 3D maps and thematic cartogram. The latter was used to show both losses and gains in the same cartogram.

Peter Schmitz

Principal Researcher
CSIR Built Environment

Dr Peter Schmitz holds a PhD in Geography and a BSc (Hons) degree in Geoinformatics and works ate the CSIR in South Africa. He is active in geospatial analysis and forensic geography. He is also active in logistics specialising in supply chains for the military and spatial data as well as in forensic geoscience. He has been part of the CSIR team that did the election-night forecasting at national and local municipal elections since 1999.He is currently the commission chair of the ICA Commission on Map Production and Geoinformation Management.

Presentation(s):

Send Email for Peter Schmitz

Peter Schmitz

Principal Researcher
CSIR Built Environment

Dr Peter Schmitz holds a PhD in Geography and a BSc (Hons) degree in Geoinformatics and works ate the CSIR in South Africa. He is active in geospatial analysis and forensic geography. He is also active in logistics specialising in supply chains for the military and spatial data as well as in forensic geoscience. He has been part of the CSIR team that did the election-night forecasting at national and local municipal elections since 1999.He is currently the commission chair of the ICA Commission on Map Production and Geoinformation Management.

Presentation(s):

Send Email for Peter Schmitz


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7114.3 - Displaying voter gains and losses: Local government elections of 2011 vs 2016

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