Bundestagswahl 2021: Map Views of the German Federal Election

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Germans went to the polls to elect a new parliament and along with it a new government and a new chancellor. Since outgoing chancellor Angela Merkel did not stand for re-election after 16 years in office, this election marked a turning point in German politics. Without her standing as ‘Spitzenkandidat’, the election campaign turned into a heated fight for voter support with three parties having led the polls at times in the run-up to the election (CDU/CSU, SPD and the Greens). The final result saw the Social Democrats (SPD) winning the race after having trailed in the polls for a long time. They started catching up a few weeks ahead of the election and ended up securing 25.7 percent of the votes in the list vote (Zweitstimme) that determines the proportional distribution of seats (5.2% more than in 2017, resulting in 206 seats of the 735 seat strong parliament).
Having lost 7.9 percent points, CDU came second with 18.9 percent of the list vote (151 seats). The Green party (Grüne) came third with their best-ever result in a federal election, winning 14.8 percent of the list vote (up 5.8%, 118 seats), yet far lower than the mid-20s they polled in earlier in the year. FDP remained at a stable 11.5 percent (up 0.7%, 92 seats). The extreme right ‘Alternative for Germany‘ (Alternative für Deutschland, AfD) re-entered federal parliament (Bundestag) but with a smaller vote share of 10.3% (down 2.3%, 83 seats). CSU, the Bavarian sister-party of CDU won 5.2 percent (down 1%, 45 seats) Die Linke went down to 4.9% of the list votes but remains in parliament through the number of directly elected seats from the constituency vote (39 seats). Danish minority party SSW reached 0.1 percent in the list vote but gained one seat through special rules for parties representing minorities. Other parties not represented in parliament accounted for 7.2 percent of the valid votes.
Coalition talks are ongoing so that it is not clear yet, which parties are going to form the next government and who will become the 9th Federal Chancellor since 1949. This gives time to ponder over all the political changes that happened across the country – what better way to do so than through a series of maps, such as the 18 maps shown in this blog that dissect over 22,000 data points in cartographic form. Let’s start with an overview: The following pair of maps shows on the left the winning parties of the constituency vote (Erststimme) which directly elects a constituency into parliament and on the right the strongest party in the list vote (Zweitstimme) which determines the proportional representation for each party in the new parliament. These results are shown in large as gridded population cartograms which are proportional to the respective population there, accompanied by a small ‘conventional’ land area map:

Equal population projection map of the First and list vote Results in the 2021 German General Election / Bevölkerungsrastertransformationskarte der Ergebnisse der Bundestagswahl 2021
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US Presidential Election 2020

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This cartogram shows the distribution of votes for the two main candidates in the 2020 US Presidential election. Shown in diverging colours is each respective candidate who received the largest share of votes in each county. The cartogram itself shows an equal-population projection (gridded population cartogram) where each grid cell in the map is resized according to the total number of people living there. The main cartogram is accompanied by a ‘conventional’ reference map that also shows the states of Alaska and Hawaii (using state-level results for these two states):

US Presidential Election 2020 Cartogram
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The 2019 UK General Election

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If the 2016 vote for Brexit was described as a political earthquake in the United Kingdom, then the 2019 General Election is the equivalent to the tsunami that followed this seismic event and swept over some of the deepest Labour heartlands in England. Political commentators spoke of a demolishment of the Labour party’s ‘red wall’ as the results came in (although the ‘wall’ that may have once stood had already started to crumble in previous elections). Approaching the outcome of the General Election from a visual perspective puts such metaphors into a visual representation. The following map shows the outcome of this year’s general election – the fourth (and definitely final) of this decade – in three different cartographic visualisations:

Map views of the 2019 UK General Election
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Changing Political Landscapes of Germany 2017

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Germany's Vote / Deutschland hat gewählt
The following cartogram series provides a detailed look into the changed political landscapes in Germany following this year’s general election. While the previous maps gave an insight into the strongest party in each constituency, these maps give a clearer picture of the vote share distribution that also determines the constitution of parliament which follows a system of proportional representation. Continue reading

Bundestagswahl 2017: Electoral cartograms of Germany

The re-election of Angela Merkel as chancellor of Germany in yesterday’s federal election (Bundestagswahl) came as little surprise. Yet the final result was still widely seen as a political earthquake. The extreme right ‘Alternative for Germany‘ (Alternative für Deutschland, AfD) entered the federal parliament (Bundestag) with 12.6% of the second vote (Zweitstimme) that determines the proportional distribution of seats (having gained 7.9% compared to the 2013 election). With 94 seats, the party has become the third largest after CDU (26.8%, 200 seats, having lost 7.4%) and SPD (20.5%, 153 seats, having lost 5.2%). FDP re-entered parliament with 10.7% of the second vote (up by 6.0%, 80 seats). Former opposition leader Die Linke went up by 0.6% to 9.2% (69 seats), followed by Grüne at 8.9% (67 seats, having gained 0.5%). CDU’s sister party in Bavaria, CSU, lost 1.2% and is at 6.2% (46 seats).
AfD’s rise is the most significant change in the political landscape which also becomes visible on the new electoral maps of this year’s election. The following two maps show the distribution of the largest party in the first and second vote. In the southern parts of east Germany (Saxony) AfD managed to win three constituencies with the first-past-the-post first vote, and also became the largest party in eight constituencies in the second vote that decides on each party’s proportional representation in parliament.
Apart from this change, the electoral landscape of the strongest party in each constituency remains similar to previous elections: SPD, despite their losses, remains strongest in the urban areas of north-, central- and western Germany and are stronger in the constituency vote, while CDU dominates rural regions and much of Southern Germany except for Bavaria where CSU is taking CDU’s role. Die Linke only becomes visible as a winner in East Germany, while the Green Party holds on to its only constituency seat in Berlin:

Equal population projection map of the First and Second Vote Results in the 2017 German General Election / Bevölkerungsrastertransformationskarte der Ergebnisse der Bundestagswahl 2017
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In Focus: Brexit and the UK General Election

Political InsightThe introductory words by Prime Minister Theresa May in the Conservative manifesto 2017 outlined the main focus for the government’s General Election campaign: ‘Brexit will define us: our place in the world, our economic security and our future prosperity’. But when it came to Brexit, the campaign itself featured little of political substance from either of the two main parties. The impact of the EU-debate on the (quite unexpected) election outcome is very complex, with the anticipated Conservative gains in Leave-voting Labour seats failing to materialise.
In a contribution for the “In Focus” feature of Political Insight (September 2017, Volume 8, Issue 2) I looked at the outcome of the general election from the perspective of Brexit:

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