Democratic Party (Italy) - Popular support

The electoral results of the PD in the 10 most populated regions of Italy are shown in the chart below.

Reference 1: Piedmont, Lombardy, Veneto, Emilia-Romagna, Tuscany, Lazio, Campania, Apulia, Calabria, Sicily and ITALY.

Reference 2: 2008 general, 2009 European, 2010 regional, 2013 general, 2014 European and 2015 regional.

Source: http://en.wikipedia.org/wiki/Partito_Democratico