Data Viz

Visualize data from the MAPP dataset !
Click on the link below to visualize the evolution of party membership figures over time (1990-2014) based on the MAPP dataset.
Compare aggregated membership figures (M/E) by country, by party family, or by party in the country of your choice!

How to use the data viz tool?
- On the left-hand side of the charts, select the countries, party families, or parties that you want to include in the chart
- Zoom on the chart to have a better look at specific trend lines

What is included in the data viz tool?:
- M/E figures (party members / voting age population)
- Start date: 1990
- Parties with less than 2 observations are excluded
- Interpolation used to complete missing data points
- Last label of a party is used even if that party has had previous names