A new version of the "CSES (Comparative Study of Electoral Systems) Module 4" is now available at GESIS Data Archive for the Social Sciences. For the Third Advance Release, 12 country studies have been added to the fourth Module of the CSES: Brazil (2014), Bulgaria (2014), Canada (2011), Czech Republic (2013), Israel (2013), Mexico (2015), Norway (2013), Portugal (2015), Slovenia (2011), South Korea (2012), Sweden (2014) and Turkey (2015).